Home / 4,253.63-5,871.47-2,639.79

Finding the Fourth Proportional to 4,253.63, 5,871.47 and 2,639.79

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Solution

The fourth proportional to 4,253.63, 5,871.47 and 2,639.79 is: 3,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.63 : 5,871.47 = 2,639.79 : x
  2. Step 2: Convert to fraction form
    4,253.63/5,871.47 = 2,639.79/x
  3. Step 3: Cross multiply
    4,253.63x = 5,871.47 × 2,639.79
  4. Step 4: Simplify right side
    4,253.63x = 15,499,434.59
  5. Step 5: Solve for x
    x = 15,499,434.59/4,253.63
  6. Step 6: Final answer
    x = 3,643.82

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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.