Home / 7,934.40-11,886.48-4,927.68

Finding the Fourth Proportional to 7,934.40, 11,886.48 and 4,927.68

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Solution

The fourth proportional to 7,934.40, 11,886.48 and 4,927.68 is: 7,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.40 : 11,886.48 = 4,927.68 : x
  2. Step 2: Convert to fraction form
    7,934.40/11,886.48 = 4,927.68/x
  3. Step 3: Cross multiply
    7,934.40x = 11,886.48 × 4,927.68
  4. Step 4: Simplify right side
    7,934.40x = 58,572,769.77
  5. Step 5: Solve for x
    x = 58,572,769.77/7,934.40
  6. Step 6: Final answer
    x = 7,382.13

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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.