Home / 8,164.22-12,248.12-2,970.08

Finding the Fourth Proportional to 8,164.22, 12,248.12 and 2,970.08

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Solution

The fourth proportional to 8,164.22, 12,248.12 and 2,970.08 is: 4,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.22 : 12,248.12 = 2,970.08 : x
  2. Step 2: Convert to fraction form
    8,164.22/12,248.12 = 2,970.08/x
  3. Step 3: Cross multiply
    8,164.22x = 12,248.12 × 2,970.08
  4. Step 4: Simplify right side
    8,164.22x = 36,377,896.25
  5. Step 5: Solve for x
    x = 36,377,896.25/8,164.22
  6. Step 6: Final answer
    x = 4,455.77

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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.