Home / 6,276.20-9,411.18-2,811.08

Finding the Fourth Proportional to 6,276.20, 9,411.18 and 2,811.08

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Solution

The fourth proportional to 6,276.20, 9,411.18 and 2,811.08 is: 4,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.20 : 9,411.18 = 2,811.08 : x
  2. Step 2: Convert to fraction form
    6,276.20/9,411.18 = 2,811.08/x
  3. Step 3: Cross multiply
    6,276.20x = 9,411.18 × 2,811.08
  4. Step 4: Simplify right side
    6,276.20x = 26,455,579.87
  5. Step 5: Solve for x
    x = 26,455,579.87/6,276.20
  6. Step 6: Final answer
    x = 4,215.22

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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.