Home / 4,648.10-6,972.15-2,679.80

Finding the Fourth Proportional to 4,648.10, 6,972.15 and 2,679.80

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Solution

The fourth proportional to 4,648.10, 6,972.15 and 2,679.80 is: 4,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.10 : 6,972.15 = 2,679.80 : x
  2. Step 2: Convert to fraction form
    4,648.10/6,972.15 = 2,679.80/x
  3. Step 3: Cross multiply
    4,648.10x = 6,972.15 × 2,679.80
  4. Step 4: Simplify right side
    4,648.10x = 18,683,967.57
  5. Step 5: Solve for x
    x = 18,683,967.57/4,648.10
  6. Step 6: Final answer
    x = 4,019.70

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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.