Home / 8,538.85-12,808.27-2,298.87

Finding the Fourth Proportional to 8,538.85, 12,808.27 and 2,298.87

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Solution

The fourth proportional to 8,538.85, 12,808.27 and 2,298.87 is: 3,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.85 : 12,808.27 = 2,298.87 : x
  2. Step 2: Convert to fraction form
    8,538.85/12,808.27 = 2,298.87/x
  3. Step 3: Cross multiply
    8,538.85x = 12,808.27 × 2,298.87
  4. Step 4: Simplify right side
    8,538.85x = 29,444,547.65
  5. Step 5: Solve for x
    x = 29,444,547.65/8,538.85
  6. Step 6: Final answer
    x = 3,448.30

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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.