Home / 7,512.95-10,367.67-4,155.68

Finding the Fourth Proportional to 7,512.95, 10,367.67 and 4,155.68

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Solution

The fourth proportional to 7,512.95, 10,367.67 and 4,155.68 is: 5,734.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.95 : 10,367.67 = 4,155.68 : x
  2. Step 2: Convert to fraction form
    7,512.95/10,367.67 = 4,155.68/x
  3. Step 3: Cross multiply
    7,512.95x = 10,367.67 × 4,155.68
  4. Step 4: Simplify right side
    7,512.95x = 43,084,718.87
  5. Step 5: Solve for x
    x = 43,084,718.87/7,512.95
  6. Step 6: Final answer
    x = 5,734.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.