Home / 7,642.35-11,463.66-2,709.45

Finding the Fourth Proportional to 7,642.35, 11,463.66 and 2,709.45

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Solution

The fourth proportional to 7,642.35, 11,463.66 and 2,709.45 is: 4,064.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.35 : 11,463.66 = 2,709.45 : x
  2. Step 2: Convert to fraction form
    7,642.35/11,463.66 = 2,709.45/x
  3. Step 3: Cross multiply
    7,642.35x = 11,463.66 × 2,709.45
  4. Step 4: Simplify right side
    7,642.35x = 31,060,213.59
  5. Step 5: Solve for x
    x = 31,060,213.59/7,642.35
  6. Step 6: Final answer
    x = 4,064.22

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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.