Home / 7,247.88-10,869.64-2,804.76

Finding the Fourth Proportional to 7,247.88, 10,869.64 and 2,804.76

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Solution

The fourth proportional to 7,247.88, 10,869.64 and 2,804.76 is: 4,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.88 : 10,869.64 = 2,804.76 : x
  2. Step 2: Convert to fraction form
    7,247.88/10,869.64 = 2,804.76/x
  3. Step 3: Cross multiply
    7,247.88x = 10,869.64 × 2,804.76
  4. Step 4: Simplify right side
    7,247.88x = 30,486,731.49
  5. Step 5: Solve for x
    x = 30,486,731.49/7,247.88
  6. Step 6: Final answer
    x = 4,206.30

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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.