Home / 7,086.43-10,629.65-1,892.30

Finding the Fourth Proportional to 7,086.43, 10,629.65 and 1,892.30

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Solution

The fourth proportional to 7,086.43, 10,629.65 and 1,892.30 is: 2,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.43 : 10,629.65 = 1,892.30 : x
  2. Step 2: Convert to fraction form
    7,086.43/10,629.65 = 1,892.30/x
  3. Step 3: Cross multiply
    7,086.43x = 10,629.65 × 1,892.30
  4. Step 4: Simplify right side
    7,086.43x = 20,114,486.70
  5. Step 5: Solve for x
    x = 20,114,486.70/7,086.43
  6. Step 6: Final answer
    x = 2,838.45

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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.