Home / 4,995.40-6,892.50-2,898.28

Finding the Fourth Proportional to 4,995.40, 6,892.50 and 2,898.28

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Solution

The fourth proportional to 4,995.40, 6,892.50 and 2,898.28 is: 3,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.40 : 6,892.50 = 2,898.28 : x
  2. Step 2: Convert to fraction form
    4,995.40/6,892.50 = 2,898.28/x
  3. Step 3: Cross multiply
    4,995.40x = 6,892.50 × 2,898.28
  4. Step 4: Simplify right side
    4,995.40x = 19,976,394.90
  5. Step 5: Solve for x
    x = 19,976,394.90/4,995.40
  6. Step 6: Final answer
    x = 3,998.96

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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.