Home / 7,054.90-10,581.27-1,861.18

Finding the Fourth Proportional to 7,054.90, 10,581.27 and 1,861.18

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Solution

The fourth proportional to 7,054.90, 10,581.27 and 1,861.18 is: 2,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.90 : 10,581.27 = 1,861.18 : x
  2. Step 2: Convert to fraction form
    7,054.90/10,581.27 = 1,861.18/x
  3. Step 3: Cross multiply
    7,054.90x = 10,581.27 × 1,861.18
  4. Step 4: Simplify right side
    7,054.90x = 19,693,614.67
  5. Step 5: Solve for x
    x = 19,693,614.67/7,054.90
  6. Step 6: Final answer
    x = 2,791.48

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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.