Home / 7,141.12-10,705.92-4,058.88

Finding the Fourth Proportional to 7,141.12, 10,705.92 and 4,058.88

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Solution

The fourth proportional to 7,141.12, 10,705.92 and 4,058.88 is: 6,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.12 : 10,705.92 = 4,058.88 : x
  2. Step 2: Convert to fraction form
    7,141.12/10,705.92 = 4,058.88/x
  3. Step 3: Cross multiply
    7,141.12x = 10,705.92 × 4,058.88
  4. Step 4: Simplify right side
    7,141.12x = 43,454,044.57
  5. Step 5: Solve for x
    x = 43,454,044.57/7,141.12
  6. Step 6: Final answer
    x = 6,085.05

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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.