Home / 5,681.12-8,551.59-5,182.88

Finding the Fourth Proportional to 5,681.12, 8,551.59 and 5,182.88

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Solution

The fourth proportional to 5,681.12, 8,551.59 and 5,182.88 is: 7,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.12 : 8,551.59 = 5,182.88 : x
  2. Step 2: Convert to fraction form
    5,681.12/8,551.59 = 5,182.88/x
  3. Step 3: Cross multiply
    5,681.12x = 8,551.59 × 5,182.88
  4. Step 4: Simplify right side
    5,681.12x = 44,321,864.78
  5. Step 5: Solve for x
    x = 44,321,864.78/5,681.12
  6. Step 6: Final answer
    x = 7,801.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.