Home / 5,628.17-7,766.74-3,110.15

Finding the Fourth Proportional to 5,628.17, 7,766.74 and 3,110.15

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Solution

The fourth proportional to 5,628.17, 7,766.74 and 3,110.15 is: 4,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.17 : 7,766.74 = 3,110.15 : x
  2. Step 2: Convert to fraction form
    5,628.17/7,766.74 = 3,110.15/x
  3. Step 3: Cross multiply
    5,628.17x = 7,766.74 × 3,110.15
  4. Step 4: Simplify right side
    5,628.17x = 24,155,726.41
  5. Step 5: Solve for x
    x = 24,155,726.41/5,628.17
  6. Step 6: Final answer
    x = 4,291.93

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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.