Home / 4,998.19-6,898.39-2,981.72

Finding the Fourth Proportional to 4,998.19, 6,898.39 and 2,981.72

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Solution

The fourth proportional to 4,998.19, 6,898.39 and 2,981.72 is: 4,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.19 : 6,898.39 = 2,981.72 : x
  2. Step 2: Convert to fraction form
    4,998.19/6,898.39 = 2,981.72/x
  3. Step 3: Cross multiply
    4,998.19x = 6,898.39 × 2,981.72
  4. Step 4: Simplify right side
    4,998.19x = 20,569,077.22
  5. Step 5: Solve for x
    x = 20,569,077.22/4,998.19
  6. Step 6: Final answer
    x = 4,115.31

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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.