Home / 5,712.60-8,574.30-4,481.40

Finding the Fourth Proportional to 5,712.60, 8,574.30 and 4,481.40

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Solution

The fourth proportional to 5,712.60, 8,574.30 and 4,481.40 is: 6,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.60 : 8,574.30 = 4,481.40 : x
  2. Step 2: Convert to fraction form
    5,712.60/8,574.30 = 4,481.40/x
  3. Step 3: Cross multiply
    5,712.60x = 8,574.30 × 4,481.40
  4. Step 4: Simplify right side
    5,712.60x = 38,424,868.02
  5. Step 5: Solve for x
    x = 38,424,868.02/5,712.60
  6. Step 6: Final answer
    x = 6,726.34

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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.