Home / 6,829.76-10,244.70-1,899.80

Finding the Fourth Proportional to 6,829.76, 10,244.70 and 1,899.80

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Solution

The fourth proportional to 6,829.76, 10,244.70 and 1,899.80 is: 2,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.76 : 10,244.70 = 1,899.80 : x
  2. Step 2: Convert to fraction form
    6,829.76/10,244.70 = 1,899.80/x
  3. Step 3: Cross multiply
    6,829.76x = 10,244.70 × 1,899.80
  4. Step 4: Simplify right side
    6,829.76x = 19,462,881.06
  5. Step 5: Solve for x
    x = 19,462,881.06/6,829.76
  6. Step 6: Final answer
    x = 2,849.72

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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.