Home / 7,225.13-10,842.02-3,121.13

Finding the Fourth Proportional to 7,225.13, 10,842.02 and 3,121.13

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Solution

The fourth proportional to 7,225.13, 10,842.02 and 3,121.13 is: 4,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.13 : 10,842.02 = 3,121.13 : x
  2. Step 2: Convert to fraction form
    7,225.13/10,842.02 = 3,121.13/x
  3. Step 3: Cross multiply
    7,225.13x = 10,842.02 × 3,121.13
  4. Step 4: Simplify right side
    7,225.13x = 33,839,284.07
  5. Step 5: Solve for x
    x = 33,839,284.07/7,225.13
  6. Step 6: Final answer
    x = 4,683.56

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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.