Home / 7,001.64-10,501.38-3,105.36

Finding the Fourth Proportional to 7,001.64, 10,501.38 and 3,105.36

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Solution

The fourth proportional to 7,001.64, 10,501.38 and 3,105.36 is: 4,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.64 : 10,501.38 = 3,105.36 : x
  2. Step 2: Convert to fraction form
    7,001.64/10,501.38 = 3,105.36/x
  3. Step 3: Cross multiply
    7,001.64x = 10,501.38 × 3,105.36
  4. Step 4: Simplify right side
    7,001.64x = 32,610,565.40
  5. Step 5: Solve for x
    x = 32,610,565.40/7,001.64
  6. Step 6: Final answer
    x = 4,657.56

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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.