Home / 7,734.15-10,671.34-5,220.92

Finding the Fourth Proportional to 7,734.15, 10,671.34 and 5,220.92

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Solution

The fourth proportional to 7,734.15, 10,671.34 and 5,220.92 is: 7,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,734.15 : 10,671.34 = 5,220.92 : x
  2. Step 2: Convert to fraction form
    7,734.15/10,671.34 = 5,220.92/x
  3. Step 3: Cross multiply
    7,734.15x = 10,671.34 × 5,220.92
  4. Step 4: Simplify right side
    7,734.15x = 55,714,212.43
  5. Step 5: Solve for x
    x = 55,714,212.43/7,734.15
  6. Step 6: Final answer
    x = 7,203.66

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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.