Home / 7,426.84-11,140.26-3,530.20

Finding the Fourth Proportional to 7,426.84, 11,140.26 and 3,530.20

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Solution

The fourth proportional to 7,426.84, 11,140.26 and 3,530.20 is: 5,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.84 : 11,140.26 = 3,530.20 : x
  2. Step 2: Convert to fraction form
    7,426.84/11,140.26 = 3,530.20/x
  3. Step 3: Cross multiply
    7,426.84x = 11,140.26 × 3,530.20
  4. Step 4: Simplify right side
    7,426.84x = 39,327,345.85
  5. Step 5: Solve for x
    x = 39,327,345.85/7,426.84
  6. Step 6: Final answer
    x = 5,295.30

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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.