Home / 4,263.88-6,394.54-1,666.20

Finding the Fourth Proportional to 4,263.88, 6,394.54 and 1,666.20

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Solution

The fourth proportional to 4,263.88, 6,394.54 and 1,666.20 is: 2,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.88 : 6,394.54 = 1,666.20 : x
  2. Step 2: Convert to fraction form
    4,263.88/6,394.54 = 1,666.20/x
  3. Step 3: Cross multiply
    4,263.88x = 6,394.54 × 1,666.20
  4. Step 4: Simplify right side
    4,263.88x = 10,654,582.55
  5. Step 5: Solve for x
    x = 10,654,582.55/4,263.88
  6. Step 6: Final answer
    x = 2,498.80

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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.