Home / 6,405.12-9,607.32-2,243.52

Finding the Fourth Proportional to 6,405.12, 9,607.32 and 2,243.52

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Solution

The fourth proportional to 6,405.12, 9,607.32 and 2,243.52 is: 3,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405.12 : 9,607.32 = 2,243.52 : x
  2. Step 2: Convert to fraction form
    6,405.12/9,607.32 = 2,243.52/x
  3. Step 3: Cross multiply
    6,405.12x = 9,607.32 × 2,243.52
  4. Step 4: Simplify right side
    6,405.12x = 21,554,214.57
  5. Step 5: Solve for x
    x = 21,554,214.57/6,405.12
  6. Step 6: Final answer
    x = 3,365.15

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1.5x scale

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.