Home / 6,904.80-10,340.64-5,663.52

Finding the Fourth Proportional to 6,904.80, 10,340.64 and 5,663.52

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Solution

The fourth proportional to 6,904.80, 10,340.64 and 5,663.52 is: 8,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.80 : 10,340.64 = 5,663.52 : x
  2. Step 2: Convert to fraction form
    6,904.80/10,340.64 = 5,663.52/x
  3. Step 3: Cross multiply
    6,904.80x = 10,340.64 × 5,663.52
  4. Step 4: Simplify right side
    6,904.80x = 58,564,421.45
  5. Step 5: Solve for x
    x = 58,564,421.45/6,904.80
  6. Step 6: Final answer
    x = 8,481.70

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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.