Home / 4,259.34-6,389.08-1,297.85

Finding the Fourth Proportional to 4,259.34, 6,389.08 and 1,297.85

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Solution

The fourth proportional to 4,259.34, 6,389.08 and 1,297.85 is: 1,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.34 : 6,389.08 = 1,297.85 : x
  2. Step 2: Convert to fraction form
    4,259.34/6,389.08 = 1,297.85/x
  3. Step 3: Cross multiply
    4,259.34x = 6,389.08 × 1,297.85
  4. Step 4: Simplify right side
    4,259.34x = 8,292,032.29
  5. Step 5: Solve for x
    x = 8,292,032.29/4,259.34
  6. Step 6: Final answer
    x = 1,946.79

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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.