Home / 8,752.95-13,131.38-3,206.18

Finding the Fourth Proportional to 8,752.95, 13,131.38 and 3,206.18

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Solution

The fourth proportional to 8,752.95, 13,131.38 and 3,206.18 is: 4,809.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.95 : 13,131.38 = 3,206.18 : x
  2. Step 2: Convert to fraction form
    8,752.95/13,131.38 = 3,206.18/x
  3. Step 3: Cross multiply
    8,752.95x = 13,131.38 × 3,206.18
  4. Step 4: Simplify right side
    8,752.95x = 42,101,567.93
  5. Step 5: Solve for x
    x = 42,101,567.93/8,752.95
  6. Step 6: Final answer
    x = 4,809.99

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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.