Home / 7,753.17-10,698.40-5,240.75

Finding the Fourth Proportional to 7,753.17, 10,698.40 and 5,240.75

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Solution

The fourth proportional to 7,753.17, 10,698.40 and 5,240.75 is: 7,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.17 : 10,698.40 = 5,240.75 : x
  2. Step 2: Convert to fraction form
    7,753.17/10,698.40 = 5,240.75/x
  3. Step 3: Cross multiply
    7,753.17x = 10,698.40 × 5,240.75
  4. Step 4: Simplify right side
    7,753.17x = 56,067,639.80
  5. Step 5: Solve for x
    x = 56,067,639.80/7,753.17
  6. Step 6: Final answer
    x = 7,231.58

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Half scale
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Double scale
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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.