Home / 5,510.97-8,265.21-1,615.68

Finding the Fourth Proportional to 5,510.97, 8,265.21 and 1,615.68

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Solution

The fourth proportional to 5,510.97, 8,265.21 and 1,615.68 is: 2,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.97 : 8,265.21 = 1,615.68 : x
  2. Step 2: Convert to fraction form
    5,510.97/8,265.21 = 1,615.68/x
  3. Step 3: Cross multiply
    5,510.97x = 8,265.21 × 1,615.68
  4. Step 4: Simplify right side
    5,510.97x = 13,353,934.49
  5. Step 5: Solve for x
    x = 13,353,934.49/5,510.97
  6. Step 6: Final answer
    x = 2,423.15

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Half scale
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Double scale
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Similar ratio
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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.