Home / 5,115.79-7,059.95-3,323.71

Finding the Fourth Proportional to 5,115.79, 7,059.95 and 3,323.71

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Solution

The fourth proportional to 5,115.79, 7,059.95 and 3,323.71 is: 4,586.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.79 : 7,059.95 = 3,323.71 : x
  2. Step 2: Convert to fraction form
    5,115.79/7,059.95 = 3,323.71/x
  3. Step 3: Cross multiply
    5,115.79x = 7,059.95 × 3,323.71
  4. Step 4: Simplify right side
    5,115.79x = 23,465,226.41
  5. Step 5: Solve for x
    x = 23,465,226.41/5,115.79
  6. Step 6: Final answer
    x = 4,586.82

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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.