Home / 6,240.32-9,333.12-5,431.13

Finding the Fourth Proportional to 6,240.32, 9,333.12 and 5,431.13

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Solution

The fourth proportional to 6,240.32, 9,333.12 and 5,431.13 is: 8,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.32 : 9,333.12 = 5,431.13 : x
  2. Step 2: Convert to fraction form
    6,240.32/9,333.12 = 5,431.13/x
  3. Step 3: Cross multiply
    6,240.32x = 9,333.12 × 5,431.13
  4. Step 4: Simplify right side
    6,240.32x = 50,689,341.36
  5. Step 5: Solve for x
    x = 50,689,341.36/6,240.32
  6. Step 6: Final answer
    x = 8,122.88

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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.