Home / 8,883.40-13,312.14-4,988.92

Finding the Fourth Proportional to 8,883.40, 13,312.14 and 4,988.92

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Solution

The fourth proportional to 8,883.40, 13,312.14 and 4,988.92 is: 7,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.40 : 13,312.14 = 4,988.92 : x
  2. Step 2: Convert to fraction form
    8,883.40/13,312.14 = 4,988.92/x
  3. Step 3: Cross multiply
    8,883.40x = 13,312.14 × 4,988.92
  4. Step 4: Simplify right side
    8,883.40x = 66,413,201.49
  5. Step 5: Solve for x
    x = 66,413,201.49/8,883.40
  6. Step 6: Final answer
    x = 7,476.10

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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.