Home / 9,377.32-12,937.92-5,398.33

Finding the Fourth Proportional to 9,377.32, 12,937.92 and 5,398.33

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Solution

The fourth proportional to 9,377.32, 12,937.92 and 5,398.33 is: 7,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,377.32 : 12,937.92 = 5,398.33 : x
  2. Step 2: Convert to fraction form
    9,377.32/12,937.92 = 5,398.33/x
  3. Step 3: Cross multiply
    9,377.32x = 12,937.92 × 5,398.33
  4. Step 4: Simplify right side
    9,377.32x = 69,843,161.67
  5. Step 5: Solve for x
    x = 69,843,161.67/9,377.32
  6. Step 6: Final answer
    x = 7,448.09

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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.