Home / 7,543.41-11,282.81-5,439.84

Finding the Fourth Proportional to 7,543.41, 11,282.81 and 5,439.84

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Solution

The fourth proportional to 7,543.41, 11,282.81 and 5,439.84 is: 8,136.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.41 : 11,282.81 = 5,439.84 : x
  2. Step 2: Convert to fraction form
    7,543.41/11,282.81 = 5,439.84/x
  3. Step 3: Cross multiply
    7,543.41x = 11,282.81 × 5,439.84
  4. Step 4: Simplify right side
    7,543.41x = 61,376,653.95
  5. Step 5: Solve for x
    x = 61,376,653.95/7,543.41
  6. Step 6: Final answer
    x = 8,136.46

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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.