Home / 8,410.05-11,602.31-4,871.97

Finding the Fourth Proportional to 8,410.05, 11,602.31 and 4,871.97

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Solution

The fourth proportional to 8,410.05, 11,602.31 and 4,871.97 is: 6,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.05 : 11,602.31 = 4,871.97 : x
  2. Step 2: Convert to fraction form
    8,410.05/11,602.31 = 4,871.97/x
  3. Step 3: Cross multiply
    8,410.05x = 11,602.31 × 4,871.97
  4. Step 4: Simplify right side
    8,410.05x = 56,526,081.89
  5. Step 5: Solve for x
    x = 56,526,081.89/8,410.05
  6. Step 6: Final answer
    x = 6,721.25

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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.