Home / 7,257.51-10,885.05-2,814.53

Finding the Fourth Proportional to 7,257.51, 10,885.05 and 2,814.53

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Solution

The fourth proportional to 7,257.51, 10,885.05 and 2,814.53 is: 4,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.51 : 10,885.05 = 2,814.53 : x
  2. Step 2: Convert to fraction form
    7,257.51/10,885.05 = 2,814.53/x
  3. Step 3: Cross multiply
    7,257.51x = 10,885.05 × 2,814.53
  4. Step 4: Simplify right side
    7,257.51x = 30,636,245.35
  5. Step 5: Solve for x
    x = 30,636,245.35/7,257.51
  6. Step 6: Final answer
    x = 4,221.32

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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.