Home / 5,305.38-7,324.74-3,417.90

Finding the Fourth Proportional to 5,305.38, 7,324.74 and 3,417.90

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Solution

The fourth proportional to 5,305.38, 7,324.74 and 3,417.90 is: 4,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.38 : 7,324.74 = 3,417.90 : x
  2. Step 2: Convert to fraction form
    5,305.38/7,324.74 = 3,417.90/x
  3. Step 3: Cross multiply
    5,305.38x = 7,324.74 × 3,417.90
  4. Step 4: Simplify right side
    5,305.38x = 25,035,228.85
  5. Step 5: Solve for x
    x = 25,035,228.85/5,305.38
  6. Step 6: Final answer
    x = 4,718.84

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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.