Home / 7,331.32-10,117.34-4,187.51

Finding the Fourth Proportional to 7,331.32, 10,117.34 and 4,187.51

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Solution

The fourth proportional to 7,331.32, 10,117.34 and 4,187.51 is: 5,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.32 : 10,117.34 = 4,187.51 : x
  2. Step 2: Convert to fraction form
    7,331.32/10,117.34 = 4,187.51/x
  3. Step 3: Cross multiply
    7,331.32x = 10,117.34 × 4,187.51
  4. Step 4: Simplify right side
    7,331.32x = 42,366,462.42
  5. Step 5: Solve for x
    x = 42,366,462.42/7,331.32
  6. Step 6: Final answer
    x = 5,778.83

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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.