Home / 7,068.20-9,754.36-3,881.72

Finding the Fourth Proportional to 7,068.20, 9,754.36 and 3,881.72

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Solution

The fourth proportional to 7,068.20, 9,754.36 and 3,881.72 is: 5,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.20 : 9,754.36 = 3,881.72 : x
  2. Step 2: Convert to fraction form
    7,068.20/9,754.36 = 3,881.72/x
  3. Step 3: Cross multiply
    7,068.20x = 9,754.36 × 3,881.72
  4. Step 4: Simplify right side
    7,068.20x = 37,863,694.30
  5. Step 5: Solve for x
    x = 37,863,694.30/7,068.20
  6. Step 6: Final answer
    x = 5,356.91

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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.