Home / 5,217.06-7,191.12-4,787.88

Finding the Fourth Proportional to 5,217.06, 7,191.12 and 4,787.88

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Solution

The fourth proportional to 5,217.06, 7,191.12 and 4,787.88 is: 6,599.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.06 : 7,191.12 = 4,787.88 : x
  2. Step 2: Convert to fraction form
    5,217.06/7,191.12 = 4,787.88/x
  3. Step 3: Cross multiply
    5,217.06x = 7,191.12 × 4,787.88
  4. Step 4: Simplify right side
    5,217.06x = 34,430,219.63
  5. Step 5: Solve for x
    x = 34,430,219.63/5,217.06
  6. Step 6: Final answer
    x = 6,599.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.