Home / 4,188.34-6,279.21-2,182.18

Finding the Fourth Proportional to 4,188.34, 6,279.21 and 2,182.18

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Solution

The fourth proportional to 4,188.34, 6,279.21 and 2,182.18 is: 3,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.34 : 6,279.21 = 2,182.18 : x
  2. Step 2: Convert to fraction form
    4,188.34/6,279.21 = 2,182.18/x
  3. Step 3: Cross multiply
    4,188.34x = 6,279.21 × 2,182.18
  4. Step 4: Simplify right side
    4,188.34x = 13,702,366.48
  5. Step 5: Solve for x
    x = 13,702,366.48/4,188.34
  6. Step 6: Final answer
    x = 3,271.55

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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.