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Finding the Fourth Proportional to 7,266.70, 10,899.93 and 3,162.70

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Solution

The fourth proportional to 7,266.70, 10,899.93 and 3,162.70 is: 4,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.70 : 10,899.93 = 3,162.70 : x
  2. Step 2: Convert to fraction form
    7,266.70/10,899.93 = 3,162.70/x
  3. Step 3: Cross multiply
    7,266.70x = 10,899.93 × 3,162.70
  4. Step 4: Simplify right side
    7,266.70x = 34,473,208.61
  5. Step 5: Solve for x
    x = 34,473,208.61/7,266.70
  6. Step 6: Final answer
    x = 4,744.00

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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.