Home / 5,512.90-8,277.45-4,281.70

Finding the Fourth Proportional to 5,512.90, 8,277.45 and 4,281.70

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Solution

The fourth proportional to 5,512.90, 8,277.45 and 4,281.70 is: 6,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.90 : 8,277.45 = 4,281.70 : x
  2. Step 2: Convert to fraction form
    5,512.90/8,277.45 = 4,281.70/x
  3. Step 3: Cross multiply
    5,512.90x = 8,277.45 × 4,281.70
  4. Step 4: Simplify right side
    5,512.90x = 35,441,557.67
  5. Step 5: Solve for x
    x = 35,441,557.67/5,512.90
  6. Step 6: Final answer
    x = 6,428.84

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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.