Home / 5,325.45-7,988.18-2,205.03

Finding the Fourth Proportional to 5,325.45, 7,988.18 and 2,205.03

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Solution

The fourth proportional to 5,325.45, 7,988.18 and 2,205.03 is: 3,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.45 : 7,988.18 = 2,205.03 : x
  2. Step 2: Convert to fraction form
    5,325.45/7,988.18 = 2,205.03/x
  3. Step 3: Cross multiply
    5,325.45x = 7,988.18 × 2,205.03
  4. Step 4: Simplify right side
    5,325.45x = 17,614,165.52
  5. Step 5: Solve for x
    x = 17,614,165.52/5,325.45
  6. Step 6: Final answer
    x = 3,307.55

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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.