Home / 4,287.06-5,913.81-3,106.08

Finding the Fourth Proportional to 4,287.06, 5,913.81 and 3,106.08

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Solution

The fourth proportional to 4,287.06, 5,913.81 and 3,106.08 is: 4,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.06 : 5,913.81 = 3,106.08 : x
  2. Step 2: Convert to fraction form
    4,287.06/5,913.81 = 3,106.08/x
  3. Step 3: Cross multiply
    4,287.06x = 5,913.81 × 3,106.08
  4. Step 4: Simplify right side
    4,287.06x = 18,368,766.96
  5. Step 5: Solve for x
    x = 18,368,766.96/4,287.06
  6. Step 6: Final answer
    x = 4,284.70

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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.