Home / 5,113.29-7,669.95-4,195.20

Finding the Fourth Proportional to 5,113.29, 7,669.95 and 4,195.20

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Solution

The fourth proportional to 5,113.29, 7,669.95 and 4,195.20 is: 6,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.29 : 7,669.95 = 4,195.20 : x
  2. Step 2: Convert to fraction form
    5,113.29/7,669.95 = 4,195.20/x
  3. Step 3: Cross multiply
    5,113.29x = 7,669.95 × 4,195.20
  4. Step 4: Simplify right side
    5,113.29x = 32,176,974.24
  5. Step 5: Solve for x
    x = 32,176,974.24/5,113.29
  6. Step 6: Final answer
    x = 6,292.81

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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.