Home / 4,989.90-7,466.31-3,132.33

Finding the Fourth Proportional to 4,989.90, 7,466.31 and 3,132.33

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Solution

The fourth proportional to 4,989.90, 7,466.31 and 3,132.33 is: 4,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.90 : 7,466.31 = 3,132.33 : x
  2. Step 2: Convert to fraction form
    4,989.90/7,466.31 = 3,132.33/x
  3. Step 3: Cross multiply
    4,989.90x = 7,466.31 × 3,132.33
  4. Step 4: Simplify right side
    4,989.90x = 23,386,946.80
  5. Step 5: Solve for x
    x = 23,386,946.80/4,989.90
  6. Step 6: Final answer
    x = 4,686.86

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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.