Home / 7,445.50-11,170.95-4,161.36

Finding the Fourth Proportional to 7,445.50, 11,170.95 and 4,161.36

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Solution

The fourth proportional to 7,445.50, 11,170.95 and 4,161.36 is: 6,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.50 : 11,170.95 = 4,161.36 : x
  2. Step 2: Convert to fraction form
    7,445.50/11,170.95 = 4,161.36/x
  3. Step 3: Cross multiply
    7,445.50x = 11,170.95 × 4,161.36
  4. Step 4: Simplify right side
    7,445.50x = 46,486,344.49
  5. Step 5: Solve for x
    x = 46,486,344.49/7,445.50
  6. Step 6: Final answer
    x = 6,243.55

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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.