Home / 5,510.62-8,265.93-1,615.03

Finding the Fourth Proportional to 5,510.62, 8,265.93 and 1,615.03

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Solution

The fourth proportional to 5,510.62, 8,265.93 and 1,615.03 is: 2,422.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.62 : 8,265.93 = 1,615.03 : x
  2. Step 2: Convert to fraction form
    5,510.62/8,265.93 = 1,615.03/x
  3. Step 3: Cross multiply
    5,510.62x = 8,265.93 × 1,615.03
  4. Step 4: Simplify right side
    5,510.62x = 13,349,724.93
  5. Step 5: Solve for x
    x = 13,349,724.93/5,510.62
  6. Step 6: Final answer
    x = 2,422.55

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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.