Home / 7,440.09-11,156.88-2,508.40

Finding the Fourth Proportional to 7,440.09, 11,156.88 and 2,508.40

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Solution

The fourth proportional to 7,440.09, 11,156.88 and 2,508.40 is: 3,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.09 : 11,156.88 = 2,508.40 : x
  2. Step 2: Convert to fraction form
    7,440.09/11,156.88 = 2,508.40/x
  3. Step 3: Cross multiply
    7,440.09x = 11,156.88 × 2,508.40
  4. Step 4: Simplify right side
    7,440.09x = 27,985,917.79
  5. Step 5: Solve for x
    x = 27,985,917.79/7,440.09
  6. Step 6: Final answer
    x = 3,761.50

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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.