Home / 9,187.48-13,779.19-2,613.52

Finding the Fourth Proportional to 9,187.48, 13,779.19 and 2,613.52

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Solution

The fourth proportional to 9,187.48, 13,779.19 and 2,613.52 is: 3,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.48 : 13,779.19 = 2,613.52 : x
  2. Step 2: Convert to fraction form
    9,187.48/13,779.19 = 2,613.52/x
  3. Step 3: Cross multiply
    9,187.48x = 13,779.19 × 2,613.52
  4. Step 4: Simplify right side
    9,187.48x = 36,012,188.65
  5. Step 5: Solve for x
    x = 36,012,188.65/9,187.48
  6. Step 6: Final answer
    x = 3,919.70

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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.