Home / 6,790.32-9,366.48-4,490.69

Finding the Fourth Proportional to 6,790.32, 9,366.48 and 4,490.69

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Solution

The fourth proportional to 6,790.32, 9,366.48 and 4,490.69 is: 6,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.32 : 9,366.48 = 4,490.69 : x
  2. Step 2: Convert to fraction form
    6,790.32/9,366.48 = 4,490.69/x
  3. Step 3: Cross multiply
    6,790.32x = 9,366.48 × 4,490.69
  4. Step 4: Simplify right side
    6,790.32x = 42,061,911.24
  5. Step 5: Solve for x
    x = 42,061,911.24/6,790.32
  6. Step 6: Final answer
    x = 6,194.39

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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.