Home / 7,419.02-10,238.19-4,061.78

Finding the Fourth Proportional to 7,419.02, 10,238.19 and 4,061.78

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Solution

The fourth proportional to 7,419.02, 10,238.19 and 4,061.78 is: 5,605.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.02 : 10,238.19 = 4,061.78 : x
  2. Step 2: Convert to fraction form
    7,419.02/10,238.19 = 4,061.78/x
  3. Step 3: Cross multiply
    7,419.02x = 10,238.19 × 4,061.78
  4. Step 4: Simplify right side
    7,419.02x = 41,585,224.19
  5. Step 5: Solve for x
    x = 41,585,224.19/7,419.02
  6. Step 6: Final answer
    x = 5,605.22

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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.