Home / 8,899.00-12,281.07-5,122.71

Finding the Fourth Proportional to 8,899.00, 12,281.07 and 5,122.71

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Solution

The fourth proportional to 8,899.00, 12,281.07 and 5,122.71 is: 7,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.00 : 12,281.07 = 5,122.71 : x
  2. Step 2: Convert to fraction form
    8,899.00/12,281.07 = 5,122.71/x
  3. Step 3: Cross multiply
    8,899.00x = 12,281.07 × 5,122.71
  4. Step 4: Simplify right side
    8,899.00x = 62,912,323.00
  5. Step 5: Solve for x
    x = 62,912,323.00/8,899.00
  6. Step 6: Final answer
    x = 7,069.60

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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.