Home / 8,762.17-13,143.26-2,188.35

Finding the Fourth Proportional to 8,762.17, 13,143.26 and 2,188.35

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Solution

The fourth proportional to 8,762.17, 13,143.26 and 2,188.35 is: 3,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.17 : 13,143.26 = 2,188.35 : x
  2. Step 2: Convert to fraction form
    8,762.17/13,143.26 = 2,188.35/x
  3. Step 3: Cross multiply
    8,762.17x = 13,143.26 × 2,188.35
  4. Step 4: Simplify right side
    8,762.17x = 28,762,053.02
  5. Step 5: Solve for x
    x = 28,762,053.02/8,762.17
  6. Step 6: Final answer
    x = 3,282.53

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1.5x scale

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.