Home / 7,688.00-11,531.93-4,398.75

Finding the Fourth Proportional to 7,688.00, 11,531.93 and 4,398.75

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Solution

The fourth proportional to 7,688.00, 11,531.93 and 4,398.75 is: 6,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.00 : 11,531.93 = 4,398.75 : x
  2. Step 2: Convert to fraction form
    7,688.00/11,531.93 = 4,398.75/x
  3. Step 3: Cross multiply
    7,688.00x = 11,531.93 × 4,398.75
  4. Step 4: Simplify right side
    7,688.00x = 50,726,055.09
  5. Step 5: Solve for x
    x = 50,726,055.09/7,688.00
  6. Step 6: Final answer
    x = 6,598.09

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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.