Home / 4,861.54-7,275.84-2,915.11

Finding the Fourth Proportional to 4,861.54, 7,275.84 and 2,915.11

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Solution

The fourth proportional to 4,861.54, 7,275.84 and 2,915.11 is: 4,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.54 : 7,275.84 = 2,915.11 : x
  2. Step 2: Convert to fraction form
    4,861.54/7,275.84 = 2,915.11/x
  3. Step 3: Cross multiply
    4,861.54x = 7,275.84 × 2,915.11
  4. Step 4: Simplify right side
    4,861.54x = 21,209,873.94
  5. Step 5: Solve for x
    x = 21,209,873.94/4,861.54
  6. Step 6: Final answer
    x = 4,362.79

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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.