Home / 7,136.28-10,677.69-6,761.25

Finding the Fourth Proportional to 7,136.28, 10,677.69 and 6,761.25

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Solution

The fourth proportional to 7,136.28, 10,677.69 and 6,761.25 is: 10,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.28 : 10,677.69 = 6,761.25 : x
  2. Step 2: Convert to fraction form
    7,136.28/10,677.69 = 6,761.25/x
  3. Step 3: Cross multiply
    7,136.28x = 10,677.69 × 6,761.25
  4. Step 4: Simplify right side
    7,136.28x = 72,194,531.51
  5. Step 5: Solve for x
    x = 72,194,531.51/7,136.28
  6. Step 6: Final answer
    x = 10,116.55

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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.