Home / 7,948.04-10,981.48-6,282.22

Finding the Fourth Proportional to 7,948.04, 10,981.48 and 6,282.22

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Solution

The fourth proportional to 7,948.04, 10,981.48 and 6,282.22 is: 8,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.04 : 10,981.48 = 6,282.22 : x
  2. Step 2: Convert to fraction form
    7,948.04/10,981.48 = 6,282.22/x
  3. Step 3: Cross multiply
    7,948.04x = 10,981.48 × 6,282.22
  4. Step 4: Simplify right side
    7,948.04x = 68,988,073.29
  5. Step 5: Solve for x
    x = 68,988,073.29/7,948.04
  6. Step 6: Final answer
    x = 8,679.89

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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.