Home / 6,005.09-9,006.57-1,621.98

Finding the Fourth Proportional to 6,005.09, 9,006.57 and 1,621.98

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Solution

The fourth proportional to 6,005.09, 9,006.57 and 1,621.98 is: 2,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.09 : 9,006.57 = 1,621.98 : x
  2. Step 2: Convert to fraction form
    6,005.09/9,006.57 = 1,621.98/x
  3. Step 3: Cross multiply
    6,005.09x = 9,006.57 × 1,621.98
  4. Step 4: Simplify right side
    6,005.09x = 14,608,476.41
  5. Step 5: Solve for x
    x = 14,608,476.41/6,005.09
  6. Step 6: Final answer
    x = 2,432.68

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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.