Home / 4,900.45-7,349.01-2,926.75

Finding the Fourth Proportional to 4,900.45, 7,349.01 and 2,926.75

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Solution

The fourth proportional to 4,900.45, 7,349.01 and 2,926.75 is: 4,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.45 : 7,349.01 = 2,926.75 : x
  2. Step 2: Convert to fraction form
    4,900.45/7,349.01 = 2,926.75/x
  3. Step 3: Cross multiply
    4,900.45x = 7,349.01 × 2,926.75
  4. Step 4: Simplify right side
    4,900.45x = 21,508,715.02
  5. Step 5: Solve for x
    x = 21,508,715.02/4,900.45
  6. Step 6: Final answer
    x = 4,389.13

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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.