Home / 6,800.79-10,199.99-1,869.24

Finding the Fourth Proportional to 6,800.79, 10,199.99 and 1,869.24

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Solution

The fourth proportional to 6,800.79, 10,199.99 and 1,869.24 is: 2,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.79 : 10,199.99 = 1,869.24 : x
  2. Step 2: Convert to fraction form
    6,800.79/10,199.99 = 1,869.24/x
  3. Step 3: Cross multiply
    6,800.79x = 10,199.99 × 1,869.24
  4. Step 4: Simplify right side
    6,800.79x = 19,066,272.23
  5. Step 5: Solve for x
    x = 19,066,272.23/6,800.79
  6. Step 6: Final answer
    x = 2,803.54

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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.