Home / 8,517.01-12,775.57-2,970.33

Finding the Fourth Proportional to 8,517.01, 12,775.57 and 2,970.33

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Solution

The fourth proportional to 8,517.01, 12,775.57 and 2,970.33 is: 4,455.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.01 : 12,775.57 = 2,970.33 : x
  2. Step 2: Convert to fraction form
    8,517.01/12,775.57 = 2,970.33/x
  3. Step 3: Cross multiply
    8,517.01x = 12,775.57 × 2,970.33
  4. Step 4: Simplify right side
    8,517.01x = 37,947,643.99
  5. Step 5: Solve for x
    x = 37,947,643.99/8,517.01
  6. Step 6: Final answer
    x = 4,455.51

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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.