Home / 7,521.11-10,381.86-4,377.30

Finding the Fourth Proportional to 7,521.11, 10,381.86 and 4,377.30

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Solution

The fourth proportional to 7,521.11, 10,381.86 and 4,377.30 is: 6,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.11 : 10,381.86 = 4,377.30 : x
  2. Step 2: Convert to fraction form
    7,521.11/10,381.86 = 4,377.30/x
  3. Step 3: Cross multiply
    7,521.11x = 10,381.86 × 4,377.30
  4. Step 4: Simplify right side
    7,521.11x = 45,444,484.35
  5. Step 5: Solve for x
    x = 45,444,484.35/7,521.11
  6. Step 6: Final answer
    x = 6,042.26

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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.