Home / 6,519.28-8,988.14-4,157.32

Finding the Fourth Proportional to 6,519.28, 8,988.14 and 4,157.32

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Solution

The fourth proportional to 6,519.28, 8,988.14 and 4,157.32 is: 5,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.28 : 8,988.14 = 4,157.32 : x
  2. Step 2: Convert to fraction form
    6,519.28/8,988.14 = 4,157.32/x
  3. Step 3: Cross multiply
    6,519.28x = 8,988.14 × 4,157.32
  4. Step 4: Simplify right side
    6,519.28x = 37,366,574.18
  5. Step 5: Solve for x
    x = 37,366,574.18/6,519.28
  6. Step 6: Final answer
    x = 5,731.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.