Home / 8,688.02-13,035.36-4,525.42

Finding the Fourth Proportional to 8,688.02, 13,035.36 and 4,525.42

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Solution

The fourth proportional to 8,688.02, 13,035.36 and 4,525.42 is: 6,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.02 : 13,035.36 = 4,525.42 : x
  2. Step 2: Convert to fraction form
    8,688.02/13,035.36 = 4,525.42/x
  3. Step 3: Cross multiply
    8,688.02x = 13,035.36 × 4,525.42
  4. Step 4: Simplify right side
    8,688.02x = 58,990,478.85
  5. Step 5: Solve for x
    x = 58,990,478.85/8,688.02
  6. Step 6: Final answer
    x = 6,789.86

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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.