Home / 8,102.43-12,152.57-2,259.63

Finding the Fourth Proportional to 8,102.43, 12,152.57 and 2,259.63

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Solution

The fourth proportional to 8,102.43, 12,152.57 and 2,259.63 is: 3,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.43 : 12,152.57 = 2,259.63 : x
  2. Step 2: Convert to fraction form
    8,102.43/12,152.57 = 2,259.63/x
  3. Step 3: Cross multiply
    8,102.43x = 12,152.57 × 2,259.63
  4. Step 4: Simplify right side
    8,102.43x = 27,460,300.45
  5. Step 5: Solve for x
    x = 27,460,300.45/8,102.43
  6. Step 6: Final answer
    x = 3,389.14

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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.