Home / 4,977.44-6,869.58-2,988.08

Finding the Fourth Proportional to 4,977.44, 6,869.58 and 2,988.08

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Solution

The fourth proportional to 4,977.44, 6,869.58 and 2,988.08 is: 4,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.44 : 6,869.58 = 2,988.08 : x
  2. Step 2: Convert to fraction form
    4,977.44/6,869.58 = 2,988.08/x
  3. Step 3: Cross multiply
    4,977.44x = 6,869.58 × 2,988.08
  4. Step 4: Simplify right side
    4,977.44x = 20,526,854.61
  5. Step 5: Solve for x
    x = 20,526,854.61/4,977.44
  6. Step 6: Final answer
    x = 4,123.98

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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.