Home / 4,287.35-5,915.43-2,518.61

Finding the Fourth Proportional to 4,287.35, 5,915.43 and 2,518.61

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Solution

The fourth proportional to 4,287.35, 5,915.43 and 2,518.61 is: 3,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.35 : 5,915.43 = 2,518.61 : x
  2. Step 2: Convert to fraction form
    4,287.35/5,915.43 = 2,518.61/x
  3. Step 3: Cross multiply
    4,287.35x = 5,915.43 × 2,518.61
  4. Step 4: Simplify right side
    4,287.35x = 14,898,631.58
  5. Step 5: Solve for x
    x = 14,898,631.58/4,287.35
  6. Step 6: Final answer
    x = 3,475.03

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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.