Home / 7,423.24-11,139.18-2,806.60

Finding the Fourth Proportional to 7,423.24, 11,139.18 and 2,806.60

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Solution

The fourth proportional to 7,423.24, 11,139.18 and 2,806.60 is: 4,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.24 : 11,139.18 = 2,806.60 : x
  2. Step 2: Convert to fraction form
    7,423.24/11,139.18 = 2,806.60/x
  3. Step 3: Cross multiply
    7,423.24x = 11,139.18 × 2,806.60
  4. Step 4: Simplify right side
    7,423.24x = 31,263,222.59
  5. Step 5: Solve for x
    x = 31,263,222.59/7,423.24
  6. Step 6: Final answer
    x = 4,211.53

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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.