Home / 8,688.01-13,032.78-2,448.07

Finding the Fourth Proportional to 8,688.01, 13,032.78 and 2,448.07

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Solution

The fourth proportional to 8,688.01, 13,032.78 and 2,448.07 is: 3,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.01 : 13,032.78 = 2,448.07 : x
  2. Step 2: Convert to fraction form
    8,688.01/13,032.78 = 2,448.07/x
  3. Step 3: Cross multiply
    8,688.01x = 13,032.78 × 2,448.07
  4. Step 4: Simplify right side
    8,688.01x = 31,905,157.73
  5. Step 5: Solve for x
    x = 31,905,157.73/8,688.01
  6. Step 6: Final answer
    x = 3,672.32

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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.