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Finding the Fourth Proportional to 8,822.08, 13,235.52 and 7,854.88

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Solution

The fourth proportional to 8,822.08, 13,235.52 and 7,854.88 is: 11,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.08 : 13,235.52 = 7,854.88 : x
  2. Step 2: Convert to fraction form
    8,822.08/13,235.52 = 7,854.88/x
  3. Step 3: Cross multiply
    8,822.08x = 13,235.52 × 7,854.88
  4. Step 4: Simplify right side
    8,822.08x = 103,963,421.34
  5. Step 5: Solve for x
    x = 103,963,421.34/8,822.08
  6. Step 6: Final answer
    x = 11,784.46

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1.5x scale

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.