Home / 7,739.56-11,589.90-5,547.16

Finding the Fourth Proportional to 7,739.56, 11,589.90 and 5,547.16

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Solution

The fourth proportional to 7,739.56, 11,589.90 and 5,547.16 is: 8,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.56 : 11,589.90 = 5,547.16 : x
  2. Step 2: Convert to fraction form
    7,739.56/11,589.90 = 5,547.16/x
  3. Step 3: Cross multiply
    7,739.56x = 11,589.90 × 5,547.16
  4. Step 4: Simplify right side
    7,739.56x = 64,291,029.68
  5. Step 5: Solve for x
    x = 64,291,029.68/7,739.56
  6. Step 6: Final answer
    x = 8,306.81

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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.