Home / 7,371.35-10,172.31-4,014.20

Finding the Fourth Proportional to 7,371.35, 10,172.31 and 4,014.20

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Solution

The fourth proportional to 7,371.35, 10,172.31 and 4,014.20 is: 5,539.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.35 : 10,172.31 = 4,014.20 : x
  2. Step 2: Convert to fraction form
    7,371.35/10,172.31 = 4,014.20/x
  3. Step 3: Cross multiply
    7,371.35x = 10,172.31 × 4,014.20
  4. Step 4: Simplify right side
    7,371.35x = 40,833,686.80
  5. Step 5: Solve for x
    x = 40,833,686.80/7,371.35
  6. Step 6: Final answer
    x = 5,539.51

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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.