Home / 7,425.94-10,247.40-4,239.11

Finding the Fourth Proportional to 7,425.94, 10,247.40 and 4,239.11

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Solution

The fourth proportional to 7,425.94, 10,247.40 and 4,239.11 is: 5,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.94 : 10,247.40 = 4,239.11 : x
  2. Step 2: Convert to fraction form
    7,425.94/10,247.40 = 4,239.11/x
  3. Step 3: Cross multiply
    7,425.94x = 10,247.40 × 4,239.11
  4. Step 4: Simplify right side
    7,425.94x = 43,439,804.58
  5. Step 5: Solve for x
    x = 43,439,804.58/7,425.94
  6. Step 6: Final answer
    x = 5,849.74

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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.