Home / 6,860.98-10,291.47-1,666.85

Finding the Fourth Proportional to 6,860.98, 10,291.47 and 1,666.85

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Solution

The fourth proportional to 6,860.98, 10,291.47 and 1,666.85 is: 2,500.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.98 : 10,291.47 = 1,666.85 : x
  2. Step 2: Convert to fraction form
    6,860.98/10,291.47 = 1,666.85/x
  3. Step 3: Cross multiply
    6,860.98x = 10,291.47 × 1,666.85
  4. Step 4: Simplify right side
    6,860.98x = 17,154,336.77
  5. Step 5: Solve for x
    x = 17,154,336.77/6,860.98
  6. Step 6: Final answer
    x = 2,500.28

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Double scale
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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.