Home / 7,050.81-9,729.41-4,217.63

Finding the Fourth Proportional to 7,050.81, 9,729.41 and 4,217.63

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Solution

The fourth proportional to 7,050.81, 9,729.41 and 4,217.63 is: 5,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.81 : 9,729.41 = 4,217.63 : x
  2. Step 2: Convert to fraction form
    7,050.81/9,729.41 = 4,217.63/x
  3. Step 3: Cross multiply
    7,050.81x = 9,729.41 × 4,217.63
  4. Step 4: Simplify right side
    7,050.81x = 41,034,981.76
  5. Step 5: Solve for x
    x = 41,034,981.76/7,050.81
  6. Step 6: Final answer
    x = 5,819.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.