Home / 7,499.17-11,249.87-2,818.48

Finding the Fourth Proportional to 7,499.17, 11,249.87 and 2,818.48

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Solution

The fourth proportional to 7,499.17, 11,249.87 and 2,818.48 is: 4,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.17 : 11,249.87 = 2,818.48 : x
  2. Step 2: Convert to fraction form
    7,499.17/11,249.87 = 2,818.48/x
  3. Step 3: Cross multiply
    7,499.17x = 11,249.87 × 2,818.48
  4. Step 4: Simplify right side
    7,499.17x = 31,707,533.60
  5. Step 5: Solve for x
    x = 31,707,533.60/7,499.17
  6. Step 6: Final answer
    x = 4,228.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.