Home / 6,428.46-8,871.29-3,595.88

Finding the Fourth Proportional to 6,428.46, 8,871.29 and 3,595.88

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Solution

The fourth proportional to 6,428.46, 8,871.29 and 3,595.88 is: 4,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.46 : 8,871.29 = 3,595.88 : x
  2. Step 2: Convert to fraction form
    6,428.46/8,871.29 = 3,595.88/x
  3. Step 3: Cross multiply
    6,428.46x = 8,871.29 × 3,595.88
  4. Step 4: Simplify right side
    6,428.46x = 31,900,094.29
  5. Step 5: Solve for x
    x = 31,900,094.29/6,428.46
  6. Step 6: Final answer
    x = 4,962.32

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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.