Home / 6,935.12-10,400.40-3,470

Finding the Fourth Proportional to 6,935.12, 10,400.40 and 3,470

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Solution

The fourth proportional to 6,935.12, 10,400.40 and 3,470 is: 5,203.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935.12 : 10,400.40 = 3,470 : x
  2. Step 2: Convert to fraction form
    6,935.12/10,400.40 = 3,470/x
  3. Step 3: Cross multiply
    6,935.12x = 10,400.40 × 3,470
  4. Step 4: Simplify right side
    6,935.12x = 36,089,388
  5. Step 5: Solve for x
    x = 36,089,388/6,935.12
  6. Step 6: Final answer
    x = 5,203.86

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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.