Home / 6,086.20-9,123.90-5,430.10

Finding the Fourth Proportional to 6,086.20, 9,123.90 and 5,430.10

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Solution

The fourth proportional to 6,086.20, 9,123.90 and 5,430.10 is: 8,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.20 : 9,123.90 = 5,430.10 : x
  2. Step 2: Convert to fraction form
    6,086.20/9,123.90 = 5,430.10/x
  3. Step 3: Cross multiply
    6,086.20x = 9,123.90 × 5,430.10
  4. Step 4: Simplify right side
    6,086.20x = 49,543,689.39
  5. Step 5: Solve for x
    x = 49,543,689.39/6,086.20
  6. Step 6: Final answer
    x = 8,140.33

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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.