Home / 6,113.01-8,431.60-5,610.48

Finding the Fourth Proportional to 6,113.01, 8,431.60 and 5,610.48

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Solution

The fourth proportional to 6,113.01, 8,431.60 and 5,610.48 is: 7,738.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,113.01 : 8,431.60 = 5,610.48 : x
  2. Step 2: Convert to fraction form
    6,113.01/8,431.60 = 5,610.48/x
  3. Step 3: Cross multiply
    6,113.01x = 8,431.60 × 5,610.48
  4. Step 4: Simplify right side
    6,113.01x = 47,305,323.17
  5. Step 5: Solve for x
    x = 47,305,323.17/6,113.01
  6. Step 6: Final answer
    x = 7,738.47

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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.