Home / 8,259.34-12,389.01-3,575.52

Finding the Fourth Proportional to 8,259.34, 12,389.01 and 3,575.52

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Solution

The fourth proportional to 8,259.34, 12,389.01 and 3,575.52 is: 5,363.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.34 : 12,389.01 = 3,575.52 : x
  2. Step 2: Convert to fraction form
    8,259.34/12,389.01 = 3,575.52/x
  3. Step 3: Cross multiply
    8,259.34x = 12,389.01 × 3,575.52
  4. Step 4: Simplify right side
    8,259.34x = 44,297,153.04
  5. Step 5: Solve for x
    x = 44,297,153.04/8,259.34
  6. Step 6: Final answer
    x = 5,363.28

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.