Home / 8,674.02-13,006.97-3,126.63

Finding the Fourth Proportional to 8,674.02, 13,006.97 and 3,126.63

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Solution

The fourth proportional to 8,674.02, 13,006.97 and 3,126.63 is: 4,688.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.02 : 13,006.97 = 3,126.63 : x
  2. Step 2: Convert to fraction form
    8,674.02/13,006.97 = 3,126.63/x
  3. Step 3: Cross multiply
    8,674.02x = 13,006.97 × 3,126.63
  4. Step 4: Simplify right side
    8,674.02x = 40,667,966.98
  5. Step 5: Solve for x
    x = 40,667,966.98/8,674.02
  6. Step 6: Final answer
    x = 4,688.48

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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.