Home / 4,689.27-7,031.07-2,346.55

Finding the Fourth Proportional to 4,689.27, 7,031.07 and 2,346.55

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Solution

The fourth proportional to 4,689.27, 7,031.07 and 2,346.55 is: 3,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.27 : 7,031.07 = 2,346.55 : x
  2. Step 2: Convert to fraction form
    4,689.27/7,031.07 = 2,346.55/x
  3. Step 3: Cross multiply
    4,689.27x = 7,031.07 × 2,346.55
  4. Step 4: Simplify right side
    4,689.27x = 16,498,739.73
  5. Step 5: Solve for x
    x = 16,498,739.73/4,689.27
  6. Step 6: Final answer
    x = 3,518.40

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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.