Home / 4,351.12-6,527.36-1,428.76

Finding the Fourth Proportional to 4,351.12, 6,527.36 and 1,428.76

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Solution

The fourth proportional to 4,351.12, 6,527.36 and 1,428.76 is: 2,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,351.12 : 6,527.36 = 1,428.76 : x
  2. Step 2: Convert to fraction form
    4,351.12/6,527.36 = 1,428.76/x
  3. Step 3: Cross multiply
    4,351.12x = 6,527.36 × 1,428.76
  4. Step 4: Simplify right side
    4,351.12x = 9,326,030.87
  5. Step 5: Solve for x
    x = 9,326,030.87/4,351.12
  6. Step 6: Final answer
    x = 2,143.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.