Home / 4,287.19-5,915.01-2,794.57

Finding the Fourth Proportional to 4,287.19, 5,915.01 and 2,794.57

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Solution

The fourth proportional to 4,287.19, 5,915.01 and 2,794.57 is: 3,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.19 : 5,915.01 = 2,794.57 : x
  2. Step 2: Convert to fraction form
    4,287.19/5,915.01 = 2,794.57/x
  3. Step 3: Cross multiply
    4,287.19x = 5,915.01 × 2,794.57
  4. Step 4: Simplify right side
    4,287.19x = 16,529,909.50
  5. Step 5: Solve for x
    x = 16,529,909.50/4,287.19
  6. Step 6: Final answer
    x = 3,855.65

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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.