Home / 7,602.12-11,401.02-2,921.81

Finding the Fourth Proportional to 7,602.12, 11,401.02 and 2,921.81

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Solution

The fourth proportional to 7,602.12, 11,401.02 and 2,921.81 is: 4,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.12 : 11,401.02 = 2,921.81 : x
  2. Step 2: Convert to fraction form
    7,602.12/11,401.02 = 2,921.81/x
  3. Step 3: Cross multiply
    7,602.12x = 11,401.02 × 2,921.81
  4. Step 4: Simplify right side
    7,602.12x = 33,311,557.24
  5. Step 5: Solve for x
    x = 33,311,557.24/7,602.12
  6. Step 6: Final answer
    x = 4,381.88

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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.