Home / 8,635.74-12,945.38-5,506.98

Finding the Fourth Proportional to 8,635.74, 12,945.38 and 5,506.98

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Solution

The fourth proportional to 8,635.74, 12,945.38 and 5,506.98 is: 8,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.74 : 12,945.38 = 5,506.98 : x
  2. Step 2: Convert to fraction form
    8,635.74/12,945.38 = 5,506.98/x
  3. Step 3: Cross multiply
    8,635.74x = 12,945.38 × 5,506.98
  4. Step 4: Simplify right side
    8,635.74x = 71,289,948.75
  5. Step 5: Solve for x
    x = 71,289,948.75/8,635.74
  6. Step 6: Final answer
    x = 8,255.22

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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.