Home / 4,421.60-6,628.79-2,447.15

Finding the Fourth Proportional to 4,421.60, 6,628.79 and 2,447.15

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Solution

The fourth proportional to 4,421.60, 6,628.79 and 2,447.15 is: 3,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.60 : 6,628.79 = 2,447.15 : x
  2. Step 2: Convert to fraction form
    4,421.60/6,628.79 = 2,447.15/x
  3. Step 3: Cross multiply
    4,421.60x = 6,628.79 × 2,447.15
  4. Step 4: Simplify right side
    4,421.60x = 16,221,598.07
  5. Step 5: Solve for x
    x = 16,221,598.07/4,421.60
  6. Step 6: Final answer
    x = 3,668.72

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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.