Home / 7,393.62-10,207.35-5,128.26

Finding the Fourth Proportional to 7,393.62, 10,207.35 and 5,128.26

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Solution

The fourth proportional to 7,393.62, 10,207.35 and 5,128.26 is: 7,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.62 : 10,207.35 = 5,128.26 : x
  2. Step 2: Convert to fraction form
    7,393.62/10,207.35 = 5,128.26/x
  3. Step 3: Cross multiply
    7,393.62x = 10,207.35 × 5,128.26
  4. Step 4: Simplify right side
    7,393.62x = 52,345,944.71
  5. Step 5: Solve for x
    x = 52,345,944.71/7,393.62
  6. Step 6: Final answer
    x = 7,079.88

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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.