Home / 8,276.40-12,412.20-2,730.48

Finding the Fourth Proportional to 8,276.40, 12,412.20 and 2,730.48

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Solution

The fourth proportional to 8,276.40, 12,412.20 and 2,730.48 is: 4,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.40 : 12,412.20 = 2,730.48 : x
  2. Step 2: Convert to fraction form
    8,276.40/12,412.20 = 2,730.48/x
  3. Step 3: Cross multiply
    8,276.40x = 12,412.20 × 2,730.48
  4. Step 4: Simplify right side
    8,276.40x = 33,891,263.86
  5. Step 5: Solve for x
    x = 33,891,263.86/8,276.40
  6. Step 6: Final answer
    x = 4,094.93

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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.