Home / 5,145.29-7,095.20-4,401.71

Finding the Fourth Proportional to 5,145.29, 7,095.20 and 4,401.71

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Solution

The fourth proportional to 5,145.29, 7,095.20 and 4,401.71 is: 6,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.29 : 7,095.20 = 4,401.71 : x
  2. Step 2: Convert to fraction form
    5,145.29/7,095.20 = 4,401.71/x
  3. Step 3: Cross multiply
    5,145.29x = 7,095.20 × 4,401.71
  4. Step 4: Simplify right side
    5,145.29x = 31,230,981.91
  5. Step 5: Solve for x
    x = 31,230,981.91/5,145.29
  6. Step 6: Final answer
    x = 6,069.82

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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.