Home / 8,172.02-11,277.49-4,587.75

Finding the Fourth Proportional to 8,172.02, 11,277.49 and 4,587.75

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Solution

The fourth proportional to 8,172.02, 11,277.49 and 4,587.75 is: 6,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.02 : 11,277.49 = 4,587.75 : x
  2. Step 2: Convert to fraction form
    8,172.02/11,277.49 = 4,587.75/x
  3. Step 3: Cross multiply
    8,172.02x = 11,277.49 × 4,587.75
  4. Step 4: Simplify right side
    8,172.02x = 51,738,293.28
  5. Step 5: Solve for x
    x = 51,738,293.28/8,172.02
  6. Step 6: Final answer
    x = 6,331.15

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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.