Home / 7,330.13-10,979.75-5,762.68

Finding the Fourth Proportional to 7,330.13, 10,979.75 and 5,762.68

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Solution

The fourth proportional to 7,330.13, 10,979.75 and 5,762.68 is: 8,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.13 : 10,979.75 = 5,762.68 : x
  2. Step 2: Convert to fraction form
    7,330.13/10,979.75 = 5,762.68/x
  3. Step 3: Cross multiply
    7,330.13x = 10,979.75 × 5,762.68
  4. Step 4: Simplify right side
    7,330.13x = 63,272,785.73
  5. Step 5: Solve for x
    x = 63,272,785.73/7,330.13
  6. Step 6: Final answer
    x = 8,631.88

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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.