Home / 6,935.18-10,392.80-2,985.36

Finding the Fourth Proportional to 6,935.18, 10,392.80 and 2,985.36

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Solution

The fourth proportional to 6,935.18, 10,392.80 and 2,985.36 is: 4,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935.18 : 10,392.80 = 2,985.36 : x
  2. Step 2: Convert to fraction form
    6,935.18/10,392.80 = 2,985.36/x
  3. Step 3: Cross multiply
    6,935.18x = 10,392.80 × 2,985.36
  4. Step 4: Simplify right side
    6,935.18x = 31,026,249.41
  5. Step 5: Solve for x
    x = 31,026,249.41/6,935.18
  6. Step 6: Final answer
    x = 4,473.75

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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.