Home / 6,254.20-9,381.30-4,871.80

Finding the Fourth Proportional to 6,254.20, 9,381.30 and 4,871.80

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Solution

The fourth proportional to 6,254.20, 9,381.30 and 4,871.80 is: 7,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.20 : 9,381.30 = 4,871.80 : x
  2. Step 2: Convert to fraction form
    6,254.20/9,381.30 = 4,871.80/x
  3. Step 3: Cross multiply
    6,254.20x = 9,381.30 × 4,871.80
  4. Step 4: Simplify right side
    6,254.20x = 45,703,817.34
  5. Step 5: Solve for x
    x = 45,703,817.34/6,254.20
  6. Step 6: Final answer
    x = 7,307.70

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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.