Home / 7,445.40-11,169.32-2,515.34

Finding the Fourth Proportional to 7,445.40, 11,169.32 and 2,515.34

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Solution

The fourth proportional to 7,445.40, 11,169.32 and 2,515.34 is: 3,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.40 : 11,169.32 = 2,515.34 : x
  2. Step 2: Convert to fraction form
    7,445.40/11,169.32 = 2,515.34/x
  3. Step 3: Cross multiply
    7,445.40x = 11,169.32 × 2,515.34
  4. Step 4: Simplify right side
    7,445.40x = 28,094,568.95
  5. Step 5: Solve for x
    x = 28,094,568.95/7,445.40
  6. Step 6: Final answer
    x = 3,773.41

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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.