Home / 4,330.78-6,496.98-1,409.92

Finding the Fourth Proportional to 4,330.78, 6,496.98 and 1,409.92

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Solution

The fourth proportional to 4,330.78, 6,496.98 and 1,409.92 is: 2,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,330.78 : 6,496.98 = 1,409.92 : x
  2. Step 2: Convert to fraction form
    4,330.78/6,496.98 = 1,409.92/x
  3. Step 3: Cross multiply
    4,330.78x = 6,496.98 × 1,409.92
  4. Step 4: Simplify right side
    4,330.78x = 9,160,222.04
  5. Step 5: Solve for x
    x = 9,160,222.04/4,330.78
  6. Step 6: Final answer
    x = 2,115.14

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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.