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Finding the Fourth Proportional to 8,773.08, 13,159.62 and 6,435.60

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Solution

The fourth proportional to 8,773.08, 13,159.62 and 6,435.60 is: 9,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.08 : 13,159.62 = 6,435.60 : x
  2. Step 2: Convert to fraction form
    8,773.08/13,159.62 = 6,435.60/x
  3. Step 3: Cross multiply
    8,773.08x = 13,159.62 × 6,435.60
  4. Step 4: Simplify right side
    8,773.08x = 84,690,050.47
  5. Step 5: Solve for x
    x = 84,690,050.47/8,773.08
  6. Step 6: Final answer
    x = 9,653.40

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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.