Home / 6,639.95-9,966.07-3,355.35

Finding the Fourth Proportional to 6,639.95, 9,966.07 and 3,355.35

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Solution

The fourth proportional to 6,639.95, 9,966.07 and 3,355.35 is: 5,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.95 : 9,966.07 = 3,355.35 : x
  2. Step 2: Convert to fraction form
    6,639.95/9,966.07 = 3,355.35/x
  3. Step 3: Cross multiply
    6,639.95x = 9,966.07 × 3,355.35
  4. Step 4: Simplify right side
    6,639.95x = 33,439,657.17
  5. Step 5: Solve for x
    x = 33,439,657.17/6,639.95
  6. Step 6: Final answer
    x = 5,036.13

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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.