Home / 4,293.16-6,435.42-1,981.96

Finding the Fourth Proportional to 4,293.16, 6,435.42 and 1,981.96

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Solution

The fourth proportional to 4,293.16, 6,435.42 and 1,981.96 is: 2,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.16 : 6,435.42 = 1,981.96 : x
  2. Step 2: Convert to fraction form
    4,293.16/6,435.42 = 1,981.96/x
  3. Step 3: Cross multiply
    4,293.16x = 6,435.42 × 1,981.96
  4. Step 4: Simplify right side
    4,293.16x = 12,754,745.02
  5. Step 5: Solve for x
    x = 12,754,745.02/4,293.16
  6. Step 6: Final answer
    x = 2,970.95

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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.