Home / 4,483.13-6,724.69-1,405.13

Finding the Fourth Proportional to 4,483.13, 6,724.69 and 1,405.13

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Solution

The fourth proportional to 4,483.13, 6,724.69 and 1,405.13 is: 2,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,483.13 : 6,724.69 = 1,405.13 : x
  2. Step 2: Convert to fraction form
    4,483.13/6,724.69 = 1,405.13/x
  3. Step 3: Cross multiply
    4,483.13x = 6,724.69 × 1,405.13
  4. Step 4: Simplify right side
    4,483.13x = 9,449,026.52
  5. Step 5: Solve for x
    x = 9,449,026.52/4,483.13
  6. Step 6: Final answer
    x = 2,107.69

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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.