Home / 4,215.12-5,818.74-2,723.76

Finding the Fourth Proportional to 4,215.12, 5,818.74 and 2,723.76

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Solution

The fourth proportional to 4,215.12, 5,818.74 and 2,723.76 is: 3,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.12 : 5,818.74 = 2,723.76 : x
  2. Step 2: Convert to fraction form
    4,215.12/5,818.74 = 2,723.76/x
  3. Step 3: Cross multiply
    4,215.12x = 5,818.74 × 2,723.76
  4. Step 4: Simplify right side
    4,215.12x = 15,848,851.26
  5. Step 5: Solve for x
    x = 15,848,851.26/4,215.12
  6. Step 6: Final answer
    x = 3,760.00

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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.