Home / 4,949.16-7,423.46-1,391.51

Finding the Fourth Proportional to 4,949.16, 7,423.46 and 1,391.51

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Solution

The fourth proportional to 4,949.16, 7,423.46 and 1,391.51 is: 2,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.16 : 7,423.46 = 1,391.51 : x
  2. Step 2: Convert to fraction form
    4,949.16/7,423.46 = 1,391.51/x
  3. Step 3: Cross multiply
    4,949.16x = 7,423.46 × 1,391.51
  4. Step 4: Simplify right side
    4,949.16x = 10,329,818.82
  5. Step 5: Solve for x
    x = 10,329,818.82/4,949.16
  6. Step 6: Final answer
    x = 2,087.19

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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.