Home / 4,898.40-6,759.72-2,802.12

Finding the Fourth Proportional to 4,898.40, 6,759.72 and 2,802.12

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Solution

The fourth proportional to 4,898.40, 6,759.72 and 2,802.12 is: 3,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.40 : 6,759.72 = 2,802.12 : x
  2. Step 2: Convert to fraction form
    4,898.40/6,759.72 = 2,802.12/x
  3. Step 3: Cross multiply
    4,898.40x = 6,759.72 × 2,802.12
  4. Step 4: Simplify right side
    4,898.40x = 18,941,546.61
  5. Step 5: Solve for x
    x = 18,941,546.61/4,898.40
  6. Step 6: Final answer
    x = 3,866.88

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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.