Home / 8,424.02-12,636.95-3,497.81

Finding the Fourth Proportional to 8,424.02, 12,636.95 and 3,497.81

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Solution

The fourth proportional to 8,424.02, 12,636.95 and 3,497.81 is: 5,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.02 : 12,636.95 = 3,497.81 : x
  2. Step 2: Convert to fraction form
    8,424.02/12,636.95 = 3,497.81/x
  3. Step 3: Cross multiply
    8,424.02x = 12,636.95 × 3,497.81
  4. Step 4: Simplify right side
    8,424.02x = 44,201,569.41
  5. Step 5: Solve for x
    x = 44,201,569.41/8,424.02
  6. Step 6: Final answer
    x = 5,247.09

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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.