Home / 6,860.11-10,290.19-1,665.98

Finding the Fourth Proportional to 6,860.11, 10,290.19 and 1,665.98

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Solution

The fourth proportional to 6,860.11, 10,290.19 and 1,665.98 is: 2,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.11 : 10,290.19 = 1,665.98 : x
  2. Step 2: Convert to fraction form
    6,860.11/10,290.19 = 1,665.98/x
  3. Step 3: Cross multiply
    6,860.11x = 10,290.19 × 1,665.98
  4. Step 4: Simplify right side
    6,860.11x = 17,143,294.71
  5. Step 5: Solve for x
    x = 17,143,294.71/6,860.11
  6. Step 6: Final answer
    x = 2,498.98

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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.