Home / 8,276.70-12,416.85-2,729.10

Finding the Fourth Proportional to 8,276.70, 12,416.85 and 2,729.10

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Solution

The fourth proportional to 8,276.70, 12,416.85 and 2,729.10 is: 4,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.70 : 12,416.85 = 2,729.10 : x
  2. Step 2: Convert to fraction form
    8,276.70/12,416.85 = 2,729.10/x
  3. Step 3: Cross multiply
    8,276.70x = 12,416.85 × 2,729.10
  4. Step 4: Simplify right side
    8,276.70x = 33,886,825.34
  5. Step 5: Solve for x
    x = 33,886,825.34/8,276.70
  6. Step 6: Final answer
    x = 4,094.24

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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.