Home / 4,333.12-6,499.68-1,411.72

Finding the Fourth Proportional to 4,333.12, 6,499.68 and 1,411.72

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Solution

The fourth proportional to 4,333.12, 6,499.68 and 1,411.72 is: 2,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,333.12 : 6,499.68 = 1,411.72 : x
  2. Step 2: Convert to fraction form
    4,333.12/6,499.68 = 1,411.72/x
  3. Step 3: Cross multiply
    4,333.12x = 6,499.68 × 1,411.72
  4. Step 4: Simplify right side
    4,333.12x = 9,175,688.69
  5. Step 5: Solve for x
    x = 9,175,688.69/4,333.12
  6. Step 6: Final answer
    x = 2,117.57

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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.