Home / 5,018.60-6,925.08-2,779.90

Finding the Fourth Proportional to 5,018.60, 6,925.08 and 2,779.90

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Solution

The fourth proportional to 5,018.60, 6,925.08 and 2,779.90 is: 3,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.60 : 6,925.08 = 2,779.90 : x
  2. Step 2: Convert to fraction form
    5,018.60/6,925.08 = 2,779.90/x
  3. Step 3: Cross multiply
    5,018.60x = 6,925.08 × 2,779.90
  4. Step 4: Simplify right side
    5,018.60x = 19,251,048.97
  5. Step 5: Solve for x
    x = 19,251,048.97/5,018.60
  6. Step 6: Final answer
    x = 3,835.94

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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.