Home / 7,359.90-11,041.11-2,428.20

Finding the Fourth Proportional to 7,359.90, 11,041.11 and 2,428.20

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Solution

The fourth proportional to 7,359.90, 11,041.11 and 2,428.20 is: 3,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.90 : 11,041.11 = 2,428.20 : x
  2. Step 2: Convert to fraction form
    7,359.90/11,041.11 = 2,428.20/x
  3. Step 3: Cross multiply
    7,359.90x = 11,041.11 × 2,428.20
  4. Step 4: Simplify right side
    7,359.90x = 26,810,023.30
  5. Step 5: Solve for x
    x = 26,810,023.30/7,359.90
  6. Step 6: Final answer
    x = 3,642.72

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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.