Home / 4,340.32-6,509.66-2,116.92

Finding the Fourth Proportional to 4,340.32, 6,509.66 and 2,116.92

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Solution

The fourth proportional to 4,340.32, 6,509.66 and 2,116.92 is: 3,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.32 : 6,509.66 = 2,116.92 : x
  2. Step 2: Convert to fraction form
    4,340.32/6,509.66 = 2,116.92/x
  3. Step 3: Cross multiply
    4,340.32x = 6,509.66 × 2,116.92
  4. Step 4: Simplify right side
    4,340.32x = 13,780,418.86
  5. Step 5: Solve for x
    x = 13,780,418.86/4,340.32
  6. Step 6: Final answer
    x = 3,174.98

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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.