Home / 5,452.06-8,177.28-1,988.50

Finding the Fourth Proportional to 5,452.06, 8,177.28 and 1,988.50

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Solution

The fourth proportional to 5,452.06, 8,177.28 and 1,988.50 is: 2,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.06 : 8,177.28 = 1,988.50 : x
  2. Step 2: Convert to fraction form
    5,452.06/8,177.28 = 1,988.50/x
  3. Step 3: Cross multiply
    5,452.06x = 8,177.28 × 1,988.50
  4. Step 4: Simplify right side
    5,452.06x = 16,260,521.28
  5. Step 5: Solve for x
    x = 16,260,521.28/5,452.06
  6. Step 6: Final answer
    x = 2,982.45

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Half scale
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Double scale
Find fourth proportional to 5,453.06, 8,178.78 and 1,989.50
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.