Home / 8,276.20-11,417.34-4,917.10

Finding the Fourth Proportional to 8,276.20, 11,417.34 and 4,917.10

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Solution

The fourth proportional to 8,276.20, 11,417.34 and 4,917.10 is: 6,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.20 : 11,417.34 = 4,917.10 : x
  2. Step 2: Convert to fraction form
    8,276.20/11,417.34 = 4,917.10/x
  3. Step 3: Cross multiply
    8,276.20x = 11,417.34 × 4,917.10
  4. Step 4: Simplify right side
    8,276.20x = 56,140,202.51
  5. Step 5: Solve for x
    x = 56,140,202.51/8,276.20
  6. Step 6: Final answer
    x = 6,783.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.