Home / 8,488.02-12,729.60-2,939.93

Finding the Fourth Proportional to 8,488.02, 12,729.60 and 2,939.93

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Solution

The fourth proportional to 8,488.02, 12,729.60 and 2,939.93 is: 4,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.02 : 12,729.60 = 2,939.93 : x
  2. Step 2: Convert to fraction form
    8,488.02/12,729.60 = 2,939.93/x
  3. Step 3: Cross multiply
    8,488.02x = 12,729.60 × 2,939.93
  4. Step 4: Simplify right side
    8,488.02x = 37,424,132.93
  5. Step 5: Solve for x
    x = 37,424,132.93/8,488.02
  6. Step 6: Final answer
    x = 4,409.05

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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.