Home / 7,509.80-11,262.26-3,126.08

Finding the Fourth Proportional to 7,509.80, 11,262.26 and 3,126.08

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Solution

The fourth proportional to 7,509.80, 11,262.26 and 3,126.08 is: 4,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.80 : 11,262.26 = 3,126.08 : x
  2. Step 2: Convert to fraction form
    7,509.80/11,262.26 = 3,126.08/x
  3. Step 3: Cross multiply
    7,509.80x = 11,262.26 × 3,126.08
  4. Step 4: Simplify right side
    7,509.80x = 35,206,725.74
  5. Step 5: Solve for x
    x = 35,206,725.74/7,509.80
  6. Step 6: Final answer
    x = 4,688.10

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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.