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Finding the Fourth Proportional to 8,888.03, 12,264.97 and 4,909.51

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Solution

The fourth proportional to 8,888.03, 12,264.97 and 4,909.51 is: 6,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.03 : 12,264.97 = 4,909.51 : x
  2. Step 2: Convert to fraction form
    8,888.03/12,264.97 = 4,909.51/x
  3. Step 3: Cross multiply
    8,888.03x = 12,264.97 × 4,909.51
  4. Step 4: Simplify right side
    8,888.03x = 60,215,005.13
  5. Step 5: Solve for x
    x = 60,215,005.13/8,888.03
  6. Step 6: Final answer
    x = 6,774.84

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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.