Home / 7,177.28-10,759.40-5,326.16

Finding the Fourth Proportional to 7,177.28, 10,759.40 and 5,326.16

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Solution

The fourth proportional to 7,177.28, 10,759.40 and 5,326.16 is: 7,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.28 : 10,759.40 = 5,326.16 : x
  2. Step 2: Convert to fraction form
    7,177.28/10,759.40 = 5,326.16/x
  3. Step 3: Cross multiply
    7,177.28x = 10,759.40 × 5,326.16
  4. Step 4: Simplify right side
    7,177.28x = 57,306,285.90
  5. Step 5: Solve for x
    x = 57,306,285.90/7,177.28
  6. Step 6: Final answer
    x = 7,984.40

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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.