Home / 7,143.17-10,695.57-5,821.52

Finding the Fourth Proportional to 7,143.17, 10,695.57 and 5,821.52

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Solution

The fourth proportional to 7,143.17, 10,695.57 and 5,821.52 is: 8,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143.17 : 10,695.57 = 5,821.52 : x
  2. Step 2: Convert to fraction form
    7,143.17/10,695.57 = 5,821.52/x
  3. Step 3: Cross multiply
    7,143.17x = 10,695.57 × 5,821.52
  4. Step 4: Simplify right side
    7,143.17x = 62,264,475.89
  5. Step 5: Solve for x
    x = 62,264,475.89/7,143.17
  6. Step 6: Final answer
    x = 8,716.64

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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.