Home / 5,627.35-8,442.28-2,117.39

Finding the Fourth Proportional to 5,627.35, 8,442.28 and 2,117.39

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Solution

The fourth proportional to 5,627.35, 8,442.28 and 2,117.39 is: 3,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.35 : 8,442.28 = 2,117.39 : x
  2. Step 2: Convert to fraction form
    5,627.35/8,442.28 = 2,117.39/x
  3. Step 3: Cross multiply
    5,627.35x = 8,442.28 × 2,117.39
  4. Step 4: Simplify right side
    5,627.35x = 17,875,599.25
  5. Step 5: Solve for x
    x = 17,875,599.25/5,627.35
  6. Step 6: Final answer
    x = 3,176.56

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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.