Home / 6,382.40-8,807.93-3,550.57

Finding the Fourth Proportional to 6,382.40, 8,807.93 and 3,550.57

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Solution

The fourth proportional to 6,382.40, 8,807.93 and 3,550.57 is: 4,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.40 : 8,807.93 = 3,550.57 : x
  2. Step 2: Convert to fraction form
    6,382.40/8,807.93 = 3,550.57/x
  3. Step 3: Cross multiply
    6,382.40x = 8,807.93 × 3,550.57
  4. Step 4: Simplify right side
    6,382.40x = 31,273,172.02
  5. Step 5: Solve for x
    x = 31,273,172.02/6,382.40
  6. Step 6: Final answer
    x = 4,899.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.