Home / 5,558.50-7,670.76-3,040.64

Finding the Fourth Proportional to 5,558.50, 7,670.76 and 3,040.64

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Solution

The fourth proportional to 5,558.50, 7,670.76 and 3,040.64 is: 4,196.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.50 : 7,670.76 = 3,040.64 : x
  2. Step 2: Convert to fraction form
    5,558.50/7,670.76 = 3,040.64/x
  3. Step 3: Cross multiply
    5,558.50x = 7,670.76 × 3,040.64
  4. Step 4: Simplify right side
    5,558.50x = 23,324,019.69
  5. Step 5: Solve for x
    x = 23,324,019.69/5,558.50
  6. Step 6: Final answer
    x = 4,196.10

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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.