Home / 7,381.39-11,069.92-6,079.63

Finding the Fourth Proportional to 7,381.39, 11,069.92 and 6,079.63

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Solution

The fourth proportional to 7,381.39, 11,069.92 and 6,079.63 is: 9,117.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.39 : 11,069.92 = 6,079.63 : x
  2. Step 2: Convert to fraction form
    7,381.39/11,069.92 = 6,079.63/x
  3. Step 3: Cross multiply
    7,381.39x = 11,069.92 × 6,079.63
  4. Step 4: Simplify right side
    7,381.39x = 67,301,017.73
  5. Step 5: Solve for x
    x = 67,301,017.73/7,381.39
  6. Step 6: Final answer
    x = 9,117.66

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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.