Home / 4,779.06-7,168.56-2,698.11

Finding the Fourth Proportional to 4,779.06, 7,168.56 and 2,698.11

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Solution

The fourth proportional to 4,779.06, 7,168.56 and 2,698.11 is: 4,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.06 : 7,168.56 = 2,698.11 : x
  2. Step 2: Convert to fraction form
    4,779.06/7,168.56 = 2,698.11/x
  3. Step 3: Cross multiply
    4,779.06x = 7,168.56 × 2,698.11
  4. Step 4: Simplify right side
    4,779.06x = 19,341,563.42
  5. Step 5: Solve for x
    x = 19,341,563.42/4,779.06
  6. Step 6: Final answer
    x = 4,047.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.