Home / 8,770.32-13,155.12-2,196.36

Finding the Fourth Proportional to 8,770.32, 13,155.12 and 2,196.36

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Solution

The fourth proportional to 8,770.32, 13,155.12 and 2,196.36 is: 3,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.32 : 13,155.12 = 2,196.36 : x
  2. Step 2: Convert to fraction form
    8,770.32/13,155.12 = 2,196.36/x
  3. Step 3: Cross multiply
    8,770.32x = 13,155.12 × 2,196.36
  4. Step 4: Simplify right side
    8,770.32x = 28,893,379.36
  5. Step 5: Solve for x
    x = 28,893,379.36/8,770.32
  6. Step 6: Final answer
    x = 3,294.45

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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.