Home / 4,008.40-6,012.90-1,086.66

Finding the Fourth Proportional to 4,008.40, 6,012.90 and 1,086.66

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Solution

The fourth proportional to 4,008.40, 6,012.90 and 1,086.66 is: 1,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.40 : 6,012.90 = 1,086.66 : x
  2. Step 2: Convert to fraction form
    4,008.40/6,012.90 = 1,086.66/x
  3. Step 3: Cross multiply
    4,008.40x = 6,012.90 × 1,086.66
  4. Step 4: Simplify right side
    4,008.40x = 6,533,977.91
  5. Step 5: Solve for x
    x = 6,533,977.91/4,008.40
  6. Step 6: Final answer
    x = 1,630.07

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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.