Home / 8,890.52-12,269.16-5,307.56

Finding the Fourth Proportional to 8,890.52, 12,269.16 and 5,307.56

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Solution

The fourth proportional to 8,890.52, 12,269.16 and 5,307.56 is: 7,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.52 : 12,269.16 = 5,307.56 : x
  2. Step 2: Convert to fraction form
    8,890.52/12,269.16 = 5,307.56/x
  3. Step 3: Cross multiply
    8,890.52x = 12,269.16 × 5,307.56
  4. Step 4: Simplify right side
    8,890.52x = 65,119,221.60
  5. Step 5: Solve for x
    x = 65,119,221.60/8,890.52
  6. Step 6: Final answer
    x = 7,324.57

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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.