Home / 6,276.32-9,415.49-2,116.70

Finding the Fourth Proportional to 6,276.32, 9,415.49 and 2,116.70

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Solution

The fourth proportional to 6,276.32, 9,415.49 and 2,116.70 is: 3,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.32 : 9,415.49 = 2,116.70 : x
  2. Step 2: Convert to fraction form
    6,276.32/9,415.49 = 2,116.70/x
  3. Step 3: Cross multiply
    6,276.32x = 9,415.49 × 2,116.70
  4. Step 4: Simplify right side
    6,276.32x = 19,929,710.02
  5. Step 5: Solve for x
    x = 19,929,710.02/6,276.32
  6. Step 6: Final answer
    x = 3,175.38

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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.