Home / 4,990.91-6,886.18-3,662.30

Finding the Fourth Proportional to 4,990.91, 6,886.18 and 3,662.30

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Solution

The fourth proportional to 4,990.91, 6,886.18 and 3,662.30 is: 5,053.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.91 : 6,886.18 = 3,662.30 : x
  2. Step 2: Convert to fraction form
    4,990.91/6,886.18 = 3,662.30/x
  3. Step 3: Cross multiply
    4,990.91x = 6,886.18 × 3,662.30
  4. Step 4: Simplify right side
    4,990.91x = 25,219,278.81
  5. Step 5: Solve for x
    x = 25,219,278.81/4,990.91
  6. Step 6: Final answer
    x = 5,053.05

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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.