Home / 4,287.70-5,915.73-2,518.30

Finding the Fourth Proportional to 4,287.70, 5,915.73 and 2,518.30

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Solution

The fourth proportional to 4,287.70, 5,915.73 and 2,518.30 is: 3,474.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.70 : 5,915.73 = 2,518.30 : x
  2. Step 2: Convert to fraction form
    4,287.70/5,915.73 = 2,518.30/x
  3. Step 3: Cross multiply
    4,287.70x = 5,915.73 × 2,518.30
  4. Step 4: Simplify right side
    4,287.70x = 14,897,582.86
  5. Step 5: Solve for x
    x = 14,897,582.86/4,287.70
  6. Step 6: Final answer
    x = 3,474.49

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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.