Home / 4,721.35-7,078.15-3,236.47

Finding the Fourth Proportional to 4,721.35, 7,078.15 and 3,236.47

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Solution

The fourth proportional to 4,721.35, 7,078.15 and 3,236.47 is: 4,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.35 : 7,078.15 = 3,236.47 : x
  2. Step 2: Convert to fraction form
    4,721.35/7,078.15 = 3,236.47/x
  3. Step 3: Cross multiply
    4,721.35x = 7,078.15 × 3,236.47
  4. Step 4: Simplify right side
    4,721.35x = 22,908,194.34
  5. Step 5: Solve for x
    x = 22,908,194.34/4,721.35
  6. Step 6: Final answer
    x = 4,852.05

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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.