Home / 8,641.48-12,964.14-2,485

Finding the Fourth Proportional to 8,641.48, 12,964.14 and 2,485

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Solution

The fourth proportional to 8,641.48, 12,964.14 and 2,485 is: 3,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,641.48 : 12,964.14 = 2,485 : x
  2. Step 2: Convert to fraction form
    8,641.48/12,964.14 = 2,485/x
  3. Step 3: Cross multiply
    8,641.48x = 12,964.14 × 2,485
  4. Step 4: Simplify right side
    8,641.48x = 32,215,887.90
  5. Step 5: Solve for x
    x = 32,215,887.90/8,641.48
  6. Step 6: Final answer
    x = 3,728.05

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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.