Home / 4,005.15-6,012.09-1,666.80

Finding the Fourth Proportional to 4,005.15, 6,012.09 and 1,666.80

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Solution

The fourth proportional to 4,005.15, 6,012.09 and 1,666.80 is: 2,502.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.15 : 6,012.09 = 1,666.80 : x
  2. Step 2: Convert to fraction form
    4,005.15/6,012.09 = 1,666.80/x
  3. Step 3: Cross multiply
    4,005.15x = 6,012.09 × 1,666.80
  4. Step 4: Simplify right side
    4,005.15x = 10,020,951.61
  5. Step 5: Solve for x
    x = 10,020,951.61/4,005.15
  6. Step 6: Final answer
    x = 2,502.02

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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.