Home / 8,688.02-13,032.49-2,764.50

Finding the Fourth Proportional to 8,688.02, 13,032.49 and 2,764.50

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Solution

The fourth proportional to 8,688.02, 13,032.49 and 2,764.50 is: 4,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.02 : 13,032.49 = 2,764.50 : x
  2. Step 2: Convert to fraction form
    8,688.02/13,032.49 = 2,764.50/x
  3. Step 3: Cross multiply
    8,688.02x = 13,032.49 × 2,764.50
  4. Step 4: Simplify right side
    8,688.02x = 36,028,260.23
  5. Step 5: Solve for x
    x = 36,028,260.23/8,688.02
  6. Step 6: Final answer
    x = 4,146.89

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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.