Home / 4,452.61-6,680.45-1,989.13

Finding the Fourth Proportional to 4,452.61, 6,680.45 and 1,989.13

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Solution

The fourth proportional to 4,452.61, 6,680.45 and 1,989.13 is: 2,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.61 : 6,680.45 = 1,989.13 : x
  2. Step 2: Convert to fraction form
    4,452.61/6,680.45 = 1,989.13/x
  3. Step 3: Cross multiply
    4,452.61x = 6,680.45 × 1,989.13
  4. Step 4: Simplify right side
    4,452.61x = 13,288,283.51
  5. Step 5: Solve for x
    x = 13,288,283.51/4,452.61
  6. Step 6: Final answer
    x = 2,984.38

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1.5x scale

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.