Home / 4,200.76-6,301.16-1,279.06

Finding the Fourth Proportional to 4,200.76, 6,301.16 and 1,279.06

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Solution

The fourth proportional to 4,200.76, 6,301.16 and 1,279.06 is: 1,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.76 : 6,301.16 = 1,279.06 : x
  2. Step 2: Convert to fraction form
    4,200.76/6,301.16 = 1,279.06/x
  3. Step 3: Cross multiply
    4,200.76x = 6,301.16 × 1,279.06
  4. Step 4: Simplify right side
    4,200.76x = 8,059,561.71
  5. Step 5: Solve for x
    x = 8,059,561.71/4,200.76
  6. Step 6: Final answer
    x = 1,918.60

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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.