Home / 4,079.56-5,587.61-3,840.19

Finding the Fourth Proportional to 4,079.56, 5,587.61 and 3,840.19

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Solution

The fourth proportional to 4,079.56, 5,587.61 and 3,840.19 is: 5,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.56 : 5,587.61 = 3,840.19 : x
  2. Step 2: Convert to fraction form
    4,079.56/5,587.61 = 3,840.19/x
  3. Step 3: Cross multiply
    4,079.56x = 5,587.61 × 3,840.19
  4. Step 4: Simplify right side
    4,079.56x = 21,457,484.05
  5. Step 5: Solve for x
    x = 21,457,484.05/4,079.56
  6. Step 6: Final answer
    x = 5,259.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.