Home / 8,283.08-12,424.95-3,897.47

Finding the Fourth Proportional to 8,283.08, 12,424.95 and 3,897.47

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Solution

The fourth proportional to 8,283.08, 12,424.95 and 3,897.47 is: 5,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.08 : 12,424.95 = 3,897.47 : x
  2. Step 2: Convert to fraction form
    8,283.08/12,424.95 = 3,897.47/x
  3. Step 3: Cross multiply
    8,283.08x = 12,424.95 × 3,897.47
  4. Step 4: Simplify right side
    8,283.08x = 48,425,869.88
  5. Step 5: Solve for x
    x = 48,425,869.88/8,283.08
  6. Step 6: Final answer
    x = 5,846.36

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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.