Home / 6,779.04-9,354.48-3,984

Finding the Fourth Proportional to 6,779.04, 9,354.48 and 3,984

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Solution

The fourth proportional to 6,779.04, 9,354.48 and 3,984 is: 5,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.04 : 9,354.48 = 3,984 : x
  2. Step 2: Convert to fraction form
    6,779.04/9,354.48 = 3,984/x
  3. Step 3: Cross multiply
    6,779.04x = 9,354.48 × 3,984
  4. Step 4: Simplify right side
    6,779.04x = 37,268,248.32
  5. Step 5: Solve for x
    x = 37,268,248.32/6,779.04
  6. Step 6: Final answer
    x = 5,497.57

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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.