Home / 8,391.33-12,587.27-2,547.99

Finding the Fourth Proportional to 8,391.33, 12,587.27 and 2,547.99

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Solution

The fourth proportional to 8,391.33, 12,587.27 and 2,547.99 is: 3,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.33 : 12,587.27 = 2,547.99 : x
  2. Step 2: Convert to fraction form
    8,391.33/12,587.27 = 2,547.99/x
  3. Step 3: Cross multiply
    8,391.33x = 12,587.27 × 2,547.99
  4. Step 4: Simplify right side
    8,391.33x = 32,072,225.35
  5. Step 5: Solve for x
    x = 32,072,225.35/8,391.33
  6. Step 6: Final answer
    x = 3,822.07

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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.