Home / 5,660.32-8,490.60-1,764.76

Finding the Fourth Proportional to 5,660.32, 8,490.60 and 1,764.76

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Solution

The fourth proportional to 5,660.32, 8,490.60 and 1,764.76 is: 2,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.32 : 8,490.60 = 1,764.76 : x
  2. Step 2: Convert to fraction form
    5,660.32/8,490.60 = 1,764.76/x
  3. Step 3: Cross multiply
    5,660.32x = 8,490.60 × 1,764.76
  4. Step 4: Simplify right side
    5,660.32x = 14,983,871.26
  5. Step 5: Solve for x
    x = 14,983,871.26/5,660.32
  6. Step 6: Final answer
    x = 2,647.18

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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.