Home / 5,498.44-7,587.88-3,140.68

Finding the Fourth Proportional to 5,498.44, 7,587.88 and 3,140.68

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Solution

The fourth proportional to 5,498.44, 7,587.88 and 3,140.68 is: 4,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.44 : 7,587.88 = 3,140.68 : x
  2. Step 2: Convert to fraction form
    5,498.44/7,587.88 = 3,140.68/x
  3. Step 3: Cross multiply
    5,498.44x = 7,587.88 × 3,140.68
  4. Step 4: Simplify right side
    5,498.44x = 23,831,102.96
  5. Step 5: Solve for x
    x = 23,831,102.96/5,498.44
  6. Step 6: Final answer
    x = 4,334.16

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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.