Home / 8,776.25-13,166.66-2,620.25

Finding the Fourth Proportional to 8,776.25, 13,166.66 and 2,620.25

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Solution

The fourth proportional to 8,776.25, 13,166.66 and 2,620.25 is: 3,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.25 : 13,166.66 = 2,620.25 : x
  2. Step 2: Convert to fraction form
    8,776.25/13,166.66 = 2,620.25/x
  3. Step 3: Cross multiply
    8,776.25x = 13,166.66 × 2,620.25
  4. Step 4: Simplify right side
    8,776.25x = 34,499,927.76
  5. Step 5: Solve for x
    x = 34,499,927.76/8,776.25
  6. Step 6: Final answer
    x = 3,931.06

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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.