Home / 5,186.13-7,779.19-1,723.38

Finding the Fourth Proportional to 5,186.13, 7,779.19 and 1,723.38

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Solution

The fourth proportional to 5,186.13, 7,779.19 and 1,723.38 is: 2,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.13 : 7,779.19 = 1,723.38 : x
  2. Step 2: Convert to fraction form
    5,186.13/7,779.19 = 1,723.38/x
  3. Step 3: Cross multiply
    5,186.13x = 7,779.19 × 1,723.38
  4. Step 4: Simplify right side
    5,186.13x = 13,406,500.46
  5. Step 5: Solve for x
    x = 13,406,500.46/5,186.13
  6. Step 6: Final answer
    x = 2,585.07

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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.