Home / 7,209.61-10,821.16-4,441.70

Finding the Fourth Proportional to 7,209.61, 10,821.16 and 4,441.70

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Solution

The fourth proportional to 7,209.61, 10,821.16 and 4,441.70 is: 6,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.61 : 10,821.16 = 4,441.70 : x
  2. Step 2: Convert to fraction form
    7,209.61/10,821.16 = 4,441.70/x
  3. Step 3: Cross multiply
    7,209.61x = 10,821.16 × 4,441.70
  4. Step 4: Simplify right side
    7,209.61x = 48,064,378.98
  5. Step 5: Solve for x
    x = 48,064,378.98/7,209.61
  6. Step 6: Final answer
    x = 6,666.71

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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.