Home / 8,160.08-11,261.02-4,623.20

Finding the Fourth Proportional to 8,160.08, 11,261.02 and 4,623.20

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Solution

The fourth proportional to 8,160.08, 11,261.02 and 4,623.20 is: 6,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.08 : 11,261.02 = 4,623.20 : x
  2. Step 2: Convert to fraction form
    8,160.08/11,261.02 = 4,623.20/x
  3. Step 3: Cross multiply
    8,160.08x = 11,261.02 × 4,623.20
  4. Step 4: Simplify right side
    8,160.08x = 52,061,947.66
  5. Step 5: Solve for x
    x = 52,061,947.66/8,160.08
  6. Step 6: Final answer
    x = 6,380.08

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1.5x scale

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.