Home / 8,628.10-12,929.33-4,462.55

Finding the Fourth Proportional to 8,628.10, 12,929.33 and 4,462.55

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Solution

The fourth proportional to 8,628.10, 12,929.33 and 4,462.55 is: 6,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.10 : 12,929.33 = 4,462.55 : x
  2. Step 2: Convert to fraction form
    8,628.10/12,929.33 = 4,462.55/x
  3. Step 3: Cross multiply
    8,628.10x = 12,929.33 × 4,462.55
  4. Step 4: Simplify right side
    8,628.10x = 57,697,781.59
  5. Step 5: Solve for x
    x = 57,697,781.59/8,628.10
  6. Step 6: Final answer
    x = 6,687.19

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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.