Home / 4,287.85-5,915.49-2,795.24

Finding the Fourth Proportional to 4,287.85, 5,915.49 and 2,795.24

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Solution

The fourth proportional to 4,287.85, 5,915.49 and 2,795.24 is: 3,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.85 : 5,915.49 = 2,795.24 : x
  2. Step 2: Convert to fraction form
    4,287.85/5,915.49 = 2,795.24/x
  3. Step 3: Cross multiply
    4,287.85x = 5,915.49 × 2,795.24
  4. Step 4: Simplify right side
    4,287.85x = 16,535,214.27
  5. Step 5: Solve for x
    x = 16,535,214.27/4,287.85
  6. Step 6: Final answer
    x = 3,856.29

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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.