Home / 5,098.95-7,651.86-1,812.09

Finding the Fourth Proportional to 5,098.95, 7,651.86 and 1,812.09

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Solution

The fourth proportional to 5,098.95, 7,651.86 and 1,812.09 is: 2,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.95 : 7,651.86 = 1,812.09 : x
  2. Step 2: Convert to fraction form
    5,098.95/7,651.86 = 1,812.09/x
  3. Step 3: Cross multiply
    5,098.95x = 7,651.86 × 1,812.09
  4. Step 4: Simplify right side
    5,098.95x = 13,865,858.99
  5. Step 5: Solve for x
    x = 13,865,858.99/5,098.95
  6. Step 6: Final answer
    x = 2,719.36

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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.