Home / 4,721.20-7,084.86-4,360.48

Finding the Fourth Proportional to 4,721.20, 7,084.86 and 4,360.48

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Solution

The fourth proportional to 4,721.20, 7,084.86 and 4,360.48 is: 6,543.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.20 : 7,084.86 = 4,360.48 : x
  2. Step 2: Convert to fraction form
    4,721.20/7,084.86 = 4,360.48/x
  3. Step 3: Cross multiply
    4,721.20x = 7,084.86 × 4,360.48
  4. Step 4: Simplify right side
    4,721.20x = 30,893,390.33
  5. Step 5: Solve for x
    x = 30,893,390.33/4,721.20
  6. Step 6: Final answer
    x = 6,543.55

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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.