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Finding the Fourth Proportional to 8,827.65, 12,190.07 and 6,585.63

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Solution

The fourth proportional to 8,827.65, 12,190.07 and 6,585.63 is: 9,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827.65 : 12,190.07 = 6,585.63 : x
  2. Step 2: Convert to fraction form
    8,827.65/12,190.07 = 6,585.63/x
  3. Step 3: Cross multiply
    8,827.65x = 12,190.07 × 6,585.63
  4. Step 4: Simplify right side
    8,827.65x = 80,279,328.17
  5. Step 5: Solve for x
    x = 80,279,328.17/8,827.65
  6. Step 6: Final answer
    x = 9,094.08

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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.