Home / 7,376.72-10,178.12-4,393.66

Finding the Fourth Proportional to 7,376.72, 10,178.12 and 4,393.66

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Solution

The fourth proportional to 7,376.72, 10,178.12 and 4,393.66 is: 6,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.72 : 10,178.12 = 4,393.66 : x
  2. Step 2: Convert to fraction form
    7,376.72/10,178.12 = 4,393.66/x
  3. Step 3: Cross multiply
    7,376.72x = 10,178.12 × 4,393.66
  4. Step 4: Simplify right side
    7,376.72x = 44,719,198.72
  5. Step 5: Solve for x
    x = 44,719,198.72/7,376.72
  6. Step 6: Final answer
    x = 6,062.21

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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.