Home / 4,215.84-5,810.14-2,797.02

Finding the Fourth Proportional to 4,215.84, 5,810.14 and 2,797.02

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Solution

The fourth proportional to 4,215.84, 5,810.14 and 2,797.02 is: 3,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.84 : 5,810.14 = 2,797.02 : x
  2. Step 2: Convert to fraction form
    4,215.84/5,810.14 = 2,797.02/x
  3. Step 3: Cross multiply
    4,215.84x = 5,810.14 × 2,797.02
  4. Step 4: Simplify right side
    4,215.84x = 16,251,077.78
  5. Step 5: Solve for x
    x = 16,251,077.78/4,215.84
  6. Step 6: Final answer
    x = 3,854.77

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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.