Home / 4,079.81-5,587.95-3,840.44

Finding the Fourth Proportional to 4,079.81, 5,587.95 and 3,840.44

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Solution

The fourth proportional to 4,079.81, 5,587.95 and 3,840.44 is: 5,260.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.81 : 5,587.95 = 3,840.44 : x
  2. Step 2: Convert to fraction form
    4,079.81/5,587.95 = 3,840.44/x
  3. Step 3: Cross multiply
    4,079.81x = 5,587.95 × 3,840.44
  4. Step 4: Simplify right side
    4,079.81x = 21,460,173.16
  5. Step 5: Solve for x
    x = 21,460,173.16/4,079.81
  6. Step 6: Final answer
    x = 5,260.10

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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.