Home / 4,507.95-6,761.98-1,221.08

Finding the Fourth Proportional to 4,507.95, 6,761.98 and 1,221.08

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Solution

The fourth proportional to 4,507.95, 6,761.98 and 1,221.08 is: 1,831.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.95 : 6,761.98 = 1,221.08 : x
  2. Step 2: Convert to fraction form
    4,507.95/6,761.98 = 1,221.08/x
  3. Step 3: Cross multiply
    4,507.95x = 6,761.98 × 1,221.08
  4. Step 4: Simplify right side
    4,507.95x = 8,256,886.25
  5. Step 5: Solve for x
    x = 8,256,886.25/4,507.95
  6. Step 6: Final answer
    x = 1,831.63

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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.