Home / 7,426.94-10,248.78-4,240.11

Finding the Fourth Proportional to 7,426.94, 10,248.78 and 4,240.11

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Solution

The fourth proportional to 7,426.94, 10,248.78 and 4,240.11 is: 5,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.94 : 10,248.78 = 4,240.11 : x
  2. Step 2: Convert to fraction form
    7,426.94/10,248.78 = 4,240.11/x
  3. Step 3: Cross multiply
    7,426.94x = 10,248.78 × 4,240.11
  4. Step 4: Simplify right side
    7,426.94x = 43,455,954.57
  5. Step 5: Solve for x
    x = 43,455,954.57/7,426.94
  6. Step 6: Final answer
    x = 5,851.13

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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.