Home / 6,680.77-9,219.36-4,322.86

Finding the Fourth Proportional to 6,680.77, 9,219.36 and 4,322.86

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Solution

The fourth proportional to 6,680.77, 9,219.36 and 4,322.86 is: 5,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.77 : 9,219.36 = 4,322.86 : x
  2. Step 2: Convert to fraction form
    6,680.77/9,219.36 = 4,322.86/x
  3. Step 3: Cross multiply
    6,680.77x = 9,219.36 × 4,322.86
  4. Step 4: Simplify right side
    6,680.77x = 39,854,002.57
  5. Step 5: Solve for x
    x = 39,854,002.57/6,680.77
  6. Step 6: Final answer
    x = 5,965.48

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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.