Home / 8,805.06-13,190.85-5,681.70

Finding the Fourth Proportional to 8,805.06, 13,190.85 and 5,681.70

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Solution

The fourth proportional to 8,805.06, 13,190.85 and 5,681.70 is: 8,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.06 : 13,190.85 = 5,681.70 : x
  2. Step 2: Convert to fraction form
    8,805.06/13,190.85 = 5,681.70/x
  3. Step 3: Cross multiply
    8,805.06x = 13,190.85 × 5,681.70
  4. Step 4: Simplify right side
    8,805.06x = 74,946,452.45
  5. Step 5: Solve for x
    x = 74,946,452.45/8,805.06
  6. Step 6: Final answer
    x = 8,511.75

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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.