Home / 7,402.88-11,104.32-2,471.40

Finding the Fourth Proportional to 7,402.88, 11,104.32 and 2,471.40

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Solution

The fourth proportional to 7,402.88, 11,104.32 and 2,471.40 is: 3,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.88 : 11,104.32 = 2,471.40 : x
  2. Step 2: Convert to fraction form
    7,402.88/11,104.32 = 2,471.40/x
  3. Step 3: Cross multiply
    7,402.88x = 11,104.32 × 2,471.40
  4. Step 4: Simplify right side
    7,402.88x = 27,443,216.45
  5. Step 5: Solve for x
    x = 27,443,216.45/7,402.88
  6. Step 6: Final answer
    x = 3,707.10

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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.