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Finding the Fourth Proportional to 8,945.00, 12,341.86 and 6,432.34

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Solution

The fourth proportional to 8,945.00, 12,341.86 and 6,432.34 is: 8,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.00 : 12,341.86 = 6,432.34 : x
  2. Step 2: Convert to fraction form
    8,945.00/12,341.86 = 6,432.34/x
  3. Step 3: Cross multiply
    8,945.00x = 12,341.86 × 6,432.34
  4. Step 4: Simplify right side
    8,945.00x = 79,387,050.30
  5. Step 5: Solve for x
    x = 79,387,050.30/8,945.00
  6. Step 6: Final answer
    x = 8,875.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.