Home / 5,641.36-7,784.55-3,250.69

Finding the Fourth Proportional to 5,641.36, 7,784.55 and 3,250.69

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Solution

The fourth proportional to 5,641.36, 7,784.55 and 3,250.69 is: 4,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.36 : 7,784.55 = 3,250.69 : x
  2. Step 2: Convert to fraction form
    5,641.36/7,784.55 = 3,250.69/x
  3. Step 3: Cross multiply
    5,641.36x = 7,784.55 × 3,250.69
  4. Step 4: Simplify right side
    5,641.36x = 25,305,158.84
  5. Step 5: Solve for x
    x = 25,305,158.84/5,641.36
  6. Step 6: Final answer
    x = 4,485.65

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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.