Home / 5,632.50-7,772.51-3,114.45

Finding the Fourth Proportional to 5,632.50, 7,772.51 and 3,114.45

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Solution

The fourth proportional to 5,632.50, 7,772.51 and 3,114.45 is: 4,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632.50 : 7,772.51 = 3,114.45 : x
  2. Step 2: Convert to fraction form
    5,632.50/7,772.51 = 3,114.45/x
  3. Step 3: Cross multiply
    5,632.50x = 7,772.51 × 3,114.45
  4. Step 4: Simplify right side
    5,632.50x = 24,207,078.20
  5. Step 5: Solve for x
    x = 24,207,078.20/5,632.50
  6. Step 6: Final answer
    x = 4,297.75

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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.