Home / 8,890.97-12,271.92-5,114.55

Finding the Fourth Proportional to 8,890.97, 12,271.92 and 5,114.55

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Solution

The fourth proportional to 8,890.97, 12,271.92 and 5,114.55 is: 7,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.97 : 12,271.92 = 5,114.55 : x
  2. Step 2: Convert to fraction form
    8,890.97/12,271.92 = 5,114.55/x
  3. Step 3: Cross multiply
    8,890.97x = 12,271.92 × 5,114.55
  4. Step 4: Simplify right side
    8,890.97x = 62,765,322.86
  5. Step 5: Solve for x
    x = 62,765,322.86/8,890.97
  6. Step 6: Final answer
    x = 7,059.45

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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.