Home / 7,390.08-11,079.36-3,492.48

Finding the Fourth Proportional to 7,390.08, 11,079.36 and 3,492.48

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Solution

The fourth proportional to 7,390.08, 11,079.36 and 3,492.48 is: 5,236.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.08 : 11,079.36 = 3,492.48 : x
  2. Step 2: Convert to fraction form
    7,390.08/11,079.36 = 3,492.48/x
  3. Step 3: Cross multiply
    7,390.08x = 11,079.36 × 3,492.48
  4. Step 4: Simplify right side
    7,390.08x = 38,694,443.21
  5. Step 5: Solve for x
    x = 38,694,443.21/7,390.08
  6. Step 6: Final answer
    x = 5,236.00

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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.