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Finding the Fourth Proportional to 8,854, 12,218.44 and 4,875.02

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Solution

The fourth proportional to 8,854, 12,218.44 and 4,875.02 is: 6,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854 : 12,218.44 = 4,875.02 : x
  2. Step 2: Convert to fraction form
    8,854/12,218.44 = 4,875.02/x
  3. Step 3: Cross multiply
    8,854x = 12,218.44 × 4,875.02
  4. Step 4: Simplify right side
    8,854x = 59,565,139.37
  5. Step 5: Solve for x
    x = 59,565,139.37/8,854
  6. Step 6: Final answer
    x = 6,727.48

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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.