Home / 8,877.29-12,252.80-5,339.81

Finding the Fourth Proportional to 8,877.29, 12,252.80 and 5,339.81

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Solution

The fourth proportional to 8,877.29, 12,252.80 and 5,339.81 is: 7,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.29 : 12,252.80 = 5,339.81 : x
  2. Step 2: Convert to fraction form
    8,877.29/12,252.80 = 5,339.81/x
  3. Step 3: Cross multiply
    8,877.29x = 12,252.80 × 5,339.81
  4. Step 4: Simplify right side
    8,877.29x = 65,427,667.95
  5. Step 5: Solve for x
    x = 65,427,667.95/8,877.29
  6. Step 6: Final answer
    x = 7,370.23

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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.