Home / 8,532.18-12,776.90-5,402.75

Finding the Fourth Proportional to 8,532.18, 12,776.90 and 5,402.75

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Solution

The fourth proportional to 8,532.18, 12,776.90 and 5,402.75 is: 8,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.18 : 12,776.90 = 5,402.75 : x
  2. Step 2: Convert to fraction form
    8,532.18/12,776.90 = 5,402.75/x
  3. Step 3: Cross multiply
    8,532.18x = 12,776.90 × 5,402.75
  4. Step 4: Simplify right side
    8,532.18x = 69,030,305.58
  5. Step 5: Solve for x
    x = 69,030,305.58/8,532.18
  6. Step 6: Final answer
    x = 8,090.58

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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.