Home / 7,417.26-11,119.66-5,781.06

Finding the Fourth Proportional to 7,417.26, 11,119.66 and 5,781.06

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Solution

The fourth proportional to 7,417.26, 11,119.66 and 5,781.06 is: 8,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.26 : 11,119.66 = 5,781.06 : x
  2. Step 2: Convert to fraction form
    7,417.26/11,119.66 = 5,781.06/x
  3. Step 3: Cross multiply
    7,417.26x = 11,119.66 × 5,781.06
  4. Step 4: Simplify right side
    7,417.26x = 64,283,421.64
  5. Step 5: Solve for x
    x = 64,283,421.64/7,417.26
  6. Step 6: Final answer
    x = 8,666.73

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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.