Home / 7,158.38-10,727.85-5,316.44

Finding the Fourth Proportional to 7,158.38, 10,727.85 and 5,316.44

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Solution

The fourth proportional to 7,158.38, 10,727.85 and 5,316.44 is: 7,967.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.38 : 10,727.85 = 5,316.44 : x
  2. Step 2: Convert to fraction form
    7,158.38/10,727.85 = 5,316.44/x
  3. Step 3: Cross multiply
    7,158.38x = 10,727.85 × 5,316.44
  4. Step 4: Simplify right side
    7,158.38x = 57,033,970.85
  5. Step 5: Solve for x
    x = 57,033,970.85/7,158.38
  6. Step 6: Final answer
    x = 7,967.44

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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.