Home / 8,145.30-11,242.08-4,608.66

Finding the Fourth Proportional to 8,145.30, 11,242.08 and 4,608.66

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Solution

The fourth proportional to 8,145.30, 11,242.08 and 4,608.66 is: 6,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.30 : 11,242.08 = 4,608.66 : x
  2. Step 2: Convert to fraction form
    8,145.30/11,242.08 = 4,608.66/x
  3. Step 3: Cross multiply
    8,145.30x = 11,242.08 × 4,608.66
  4. Step 4: Simplify right side
    8,145.30x = 51,810,924.41
  5. Step 5: Solve for x
    x = 51,810,924.41/8,145.30
  6. Step 6: Final answer
    x = 6,360.84

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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.