Home / 5,931.80-8,185.74-3,279.14

Finding the Fourth Proportional to 5,931.80, 8,185.74 and 3,279.14

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Solution

The fourth proportional to 5,931.80, 8,185.74 and 3,279.14 is: 4,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.80 : 8,185.74 = 3,279.14 : x
  2. Step 2: Convert to fraction form
    5,931.80/8,185.74 = 3,279.14/x
  3. Step 3: Cross multiply
    5,931.80x = 8,185.74 × 3,279.14
  4. Step 4: Simplify right side
    5,931.80x = 26,842,187.46
  5. Step 5: Solve for x
    x = 26,842,187.46/5,931.80
  6. Step 6: Final answer
    x = 4,525.13

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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.