Home / 8,688.36-13,036.14-3,757.08

Finding the Fourth Proportional to 8,688.36, 13,036.14 and 3,757.08

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Solution

The fourth proportional to 8,688.36, 13,036.14 and 3,757.08 is: 5,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.36 : 13,036.14 = 3,757.08 : x
  2. Step 2: Convert to fraction form
    8,688.36/13,036.14 = 3,757.08/x
  3. Step 3: Cross multiply
    8,688.36x = 13,036.14 × 3,757.08
  4. Step 4: Simplify right side
    8,688.36x = 48,977,820.87
  5. Step 5: Solve for x
    x = 48,977,820.87/8,688.36
  6. Step 6: Final answer
    x = 5,637.18

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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.