Home / 6,288.60-9,411.30-5,770.20

Finding the Fourth Proportional to 6,288.60, 9,411.30 and 5,770.20

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Solution

The fourth proportional to 6,288.60, 9,411.30 and 5,770.20 is: 8,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.60 : 9,411.30 = 5,770.20 : x
  2. Step 2: Convert to fraction form
    6,288.60/9,411.30 = 5,770.20/x
  3. Step 3: Cross multiply
    6,288.60x = 9,411.30 × 5,770.20
  4. Step 4: Simplify right side
    6,288.60x = 54,305,083.26
  5. Step 5: Solve for x
    x = 54,305,083.26/6,288.60
  6. Step 6: Final answer
    x = 8,635.48

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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.