Home / 7,486.40-11,226.36-5,756.24

Finding the Fourth Proportional to 7,486.40, 11,226.36 and 5,756.24

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Solution

The fourth proportional to 7,486.40, 11,226.36 and 5,756.24 is: 8,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.40 : 11,226.36 = 5,756.24 : x
  2. Step 2: Convert to fraction form
    7,486.40/11,226.36 = 5,756.24/x
  3. Step 3: Cross multiply
    7,486.40x = 11,226.36 × 5,756.24
  4. Step 4: Simplify right side
    7,486.40x = 64,621,622.49
  5. Step 5: Solve for x
    x = 64,621,622.49/7,486.40
  6. Step 6: Final answer
    x = 8,631.87

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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.