Home / 9,278.81-13,920.48-3,732.93

Finding the Fourth Proportional to 9,278.81, 13,920.48 and 3,732.93

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Solution

The fourth proportional to 9,278.81, 13,920.48 and 3,732.93 is: 5,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.81 : 13,920.48 = 3,732.93 : x
  2. Step 2: Convert to fraction form
    9,278.81/13,920.48 = 3,732.93/x
  3. Step 3: Cross multiply
    9,278.81x = 13,920.48 × 3,732.93
  4. Step 4: Simplify right side
    9,278.81x = 51,964,177.41
  5. Step 5: Solve for x
    x = 51,964,177.41/9,278.81
  6. Step 6: Final answer
    x = 5,600.31

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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.