Home / 8,890.14-12,269.12-5,114.52

Finding the Fourth Proportional to 8,890.14, 12,269.12 and 5,114.52

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Solution

The fourth proportional to 8,890.14, 12,269.12 and 5,114.52 is: 7,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.14 : 12,269.12 = 5,114.52 : x
  2. Step 2: Convert to fraction form
    8,890.14/12,269.12 = 5,114.52/x
  3. Step 3: Cross multiply
    8,890.14x = 12,269.12 × 5,114.52
  4. Step 4: Simplify right side
    8,890.14x = 62,750,659.62
  5. Step 5: Solve for x
    x = 62,750,659.62/8,890.14
  6. Step 6: Final answer
    x = 7,058.46

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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.