Home / 5,306.47-7,322.91-2,949.07

Finding the Fourth Proportional to 5,306.47, 7,322.91 and 2,949.07

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Solution

The fourth proportional to 5,306.47, 7,322.91 and 2,949.07 is: 4,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.47 : 7,322.91 = 2,949.07 : x
  2. Step 2: Convert to fraction form
    5,306.47/7,322.91 = 2,949.07/x
  3. Step 3: Cross multiply
    5,306.47x = 7,322.91 × 2,949.07
  4. Step 4: Simplify right side
    5,306.47x = 21,595,755.89
  5. Step 5: Solve for x
    x = 21,595,755.89/5,306.47
  6. Step 6: Final answer
    x = 4,069.70

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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.