Home / 4,869.62-6,720.05-2,631.48

Finding the Fourth Proportional to 4,869.62, 6,720.05 and 2,631.48

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Solution

The fourth proportional to 4,869.62, 6,720.05 and 2,631.48 is: 3,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.62 : 6,720.05 = 2,631.48 : x
  2. Step 2: Convert to fraction form
    4,869.62/6,720.05 = 2,631.48/x
  3. Step 3: Cross multiply
    4,869.62x = 6,720.05 × 2,631.48
  4. Step 4: Simplify right side
    4,869.62x = 17,683,664.02
  5. Step 5: Solve for x
    x = 17,683,664.02/4,869.62
  6. Step 6: Final answer
    x = 3,631.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.