Home / 7,851.06-11,781.18-2,924.19

Finding the Fourth Proportional to 7,851.06, 11,781.18 and 2,924.19

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Solution

The fourth proportional to 7,851.06, 11,781.18 and 2,924.19 is: 4,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.06 : 11,781.18 = 2,924.19 : x
  2. Step 2: Convert to fraction form
    7,851.06/11,781.18 = 2,924.19/x
  3. Step 3: Cross multiply
    7,851.06x = 11,781.18 × 2,924.19
  4. Step 4: Simplify right side
    7,851.06x = 34,450,408.74
  5. Step 5: Solve for x
    x = 34,450,408.74/7,851.06
  6. Step 6: Final answer
    x = 4,387.99

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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.