Home / 7,331.55-10,118.24-4,187.13

Finding the Fourth Proportional to 7,331.55, 10,118.24 and 4,187.13

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Solution

The fourth proportional to 7,331.55, 10,118.24 and 4,187.13 is: 5,778.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.55 : 10,118.24 = 4,187.13 : x
  2. Step 2: Convert to fraction form
    7,331.55/10,118.24 = 4,187.13/x
  3. Step 3: Cross multiply
    7,331.55x = 10,118.24 × 4,187.13
  4. Step 4: Simplify right side
    7,331.55x = 42,366,386.25
  5. Step 5: Solve for x
    x = 42,366,386.25/7,331.55
  6. Step 6: Final answer
    x = 5,778.64

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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.