Home / 5,343.77-8,052.12-4,391.21

Finding the Fourth Proportional to 5,343.77, 8,052.12 and 4,391.21

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Solution

The fourth proportional to 5,343.77, 8,052.12 and 4,391.21 is: 6,616.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.77 : 8,052.12 = 4,391.21 : x
  2. Step 2: Convert to fraction form
    5,343.77/8,052.12 = 4,391.21/x
  3. Step 3: Cross multiply
    5,343.77x = 8,052.12 × 4,391.21
  4. Step 4: Simplify right side
    5,343.77x = 35,358,526.07
  5. Step 5: Solve for x
    x = 35,358,526.07/5,343.77
  6. Step 6: Final answer
    x = 6,616.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.