Home / 5,189.04-7,779.96-2,557.08

Finding the Fourth Proportional to 5,189.04, 7,779.96 and 2,557.08

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Solution

The fourth proportional to 5,189.04, 7,779.96 and 2,557.08 is: 3,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.04 : 7,779.96 = 2,557.08 : x
  2. Step 2: Convert to fraction form
    5,189.04/7,779.96 = 2,557.08/x
  3. Step 3: Cross multiply
    5,189.04x = 7,779.96 × 2,557.08
  4. Step 4: Simplify right side
    5,189.04x = 19,893,980.12
  5. Step 5: Solve for x
    x = 19,893,980.12/5,189.04
  6. Step 6: Final answer
    x = 3,833.85

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1.5x scale

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.