Home / 7,203.12-9,940.80-4,409.04

Finding the Fourth Proportional to 7,203.12, 9,940.80 and 4,409.04

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Solution

The fourth proportional to 7,203.12, 9,940.80 and 4,409.04 is: 6,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.12 : 9,940.80 = 4,409.04 : x
  2. Step 2: Convert to fraction form
    7,203.12/9,940.80 = 4,409.04/x
  3. Step 3: Cross multiply
    7,203.12x = 9,940.80 × 4,409.04
  4. Step 4: Simplify right side
    7,203.12x = 43,829,384.83
  5. Step 5: Solve for x
    x = 43,829,384.83/7,203.12
  6. Step 6: Final answer
    x = 6,084.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.