Home / 6,618.38-9,931.69-4,124.46

Finding the Fourth Proportional to 6,618.38, 9,931.69 and 4,124.46

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Solution

The fourth proportional to 6,618.38, 9,931.69 and 4,124.46 is: 6,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.38 : 9,931.69 = 4,124.46 : x
  2. Step 2: Convert to fraction form
    6,618.38/9,931.69 = 4,124.46/x
  3. Step 3: Cross multiply
    6,618.38x = 9,931.69 × 4,124.46
  4. Step 4: Simplify right side
    6,618.38x = 40,962,862.34
  5. Step 5: Solve for x
    x = 40,962,862.34/6,618.38
  6. Step 6: Final answer
    x = 6,189.26

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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.