Home / 7,270.70-10,899.57-2,885.18

Finding the Fourth Proportional to 7,270.70, 10,899.57 and 2,885.18

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Solution

The fourth proportional to 7,270.70, 10,899.57 and 2,885.18 is: 4,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.70 : 10,899.57 = 2,885.18 : x
  2. Step 2: Convert to fraction form
    7,270.70/10,899.57 = 2,885.18/x
  3. Step 3: Cross multiply
    7,270.70x = 10,899.57 × 2,885.18
  4. Step 4: Simplify right side
    7,270.70x = 31,447,221.37
  5. Step 5: Solve for x
    x = 31,447,221.37/7,270.70
  6. Step 6: Final answer
    x = 4,325.20

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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.