Home / 6,860.19-10,290.21-1,666.07

Finding the Fourth Proportional to 6,860.19, 10,290.21 and 1,666.07

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Solution

The fourth proportional to 6,860.19, 10,290.21 and 1,666.07 is: 2,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.19 : 10,290.21 = 1,666.07 : x
  2. Step 2: Convert to fraction form
    6,860.19/10,290.21 = 1,666.07/x
  3. Step 3: Cross multiply
    6,860.19x = 10,290.21 × 1,666.07
  4. Step 4: Simplify right side
    6,860.19x = 17,144,210.17
  5. Step 5: Solve for x
    x = 17,144,210.17/6,860.19
  6. Step 6: Final answer
    x = 2,499.09

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Similar ratio
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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.