Home / 4,848.75-6,691.28-2,640.75

Finding the Fourth Proportional to 4,848.75, 6,691.28 and 2,640.75

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Solution

The fourth proportional to 4,848.75, 6,691.28 and 2,640.75 is: 3,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.75 : 6,691.28 = 2,640.75 : x
  2. Step 2: Convert to fraction form
    4,848.75/6,691.28 = 2,640.75/x
  3. Step 3: Cross multiply
    4,848.75x = 6,691.28 × 2,640.75
  4. Step 4: Simplify right side
    4,848.75x = 17,669,984.46
  5. Step 5: Solve for x
    x = 17,669,984.46/4,848.75
  6. Step 6: Final answer
    x = 3,644.24

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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.