Home / 6,471.50-9,705.36-2,521.87

Finding the Fourth Proportional to 6,471.50, 9,705.36 and 2,521.87

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Solution

The fourth proportional to 6,471.50, 9,705.36 and 2,521.87 is: 3,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471.50 : 9,705.36 = 2,521.87 : x
  2. Step 2: Convert to fraction form
    6,471.50/9,705.36 = 2,521.87/x
  3. Step 3: Cross multiply
    6,471.50x = 9,705.36 × 2,521.87
  4. Step 4: Simplify right side
    6,471.50x = 24,475,680.59
  5. Step 5: Solve for x
    x = 24,475,680.59/6,471.50
  6. Step 6: Final answer
    x = 3,782.08

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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.