Home / 5,563.12-7,691.52-5,318.32

Finding the Fourth Proportional to 5,563.12, 7,691.52 and 5,318.32

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Solution

The fourth proportional to 5,563.12, 7,691.52 and 5,318.32 is: 7,353.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.12 : 7,691.52 = 5,318.32 : x
  2. Step 2: Convert to fraction form
    5,563.12/7,691.52 = 5,318.32/x
  3. Step 3: Cross multiply
    5,563.12x = 7,691.52 × 5,318.32
  4. Step 4: Simplify right side
    5,563.12x = 40,905,964.65
  5. Step 5: Solve for x
    x = 40,905,964.65/5,563.12
  6. Step 6: Final answer
    x = 7,353.06

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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.