Home / 8,283.47-12,426.62-3,018.87

Finding the Fourth Proportional to 8,283.47, 12,426.62 and 3,018.87

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Solution

The fourth proportional to 8,283.47, 12,426.62 and 3,018.87 is: 4,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.47 : 12,426.62 = 3,018.87 : x
  2. Step 2: Convert to fraction form
    8,283.47/12,426.62 = 3,018.87/x
  3. Step 3: Cross multiply
    8,283.47x = 12,426.62 × 3,018.87
  4. Step 4: Simplify right side
    8,283.47x = 37,514,335.23
  5. Step 5: Solve for x
    x = 37,514,335.23/8,283.47
  6. Step 6: Final answer
    x = 4,528.82

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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.