Home / 6,712.24-9,259.76-5,137.60

Finding the Fourth Proportional to 6,712.24, 9,259.76 and 5,137.60

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Solution

The fourth proportional to 6,712.24, 9,259.76 and 5,137.60 is: 7,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.24 : 9,259.76 = 5,137.60 : x
  2. Step 2: Convert to fraction form
    6,712.24/9,259.76 = 5,137.60/x
  3. Step 3: Cross multiply
    6,712.24x = 9,259.76 × 5,137.60
  4. Step 4: Simplify right side
    6,712.24x = 47,572,942.98
  5. Step 5: Solve for x
    x = 47,572,942.98/6,712.24
  6. Step 6: Final answer
    x = 7,087.49

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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.