Home / 8,386.08-12,573.02-3,453.98

Finding the Fourth Proportional to 8,386.08, 12,573.02 and 3,453.98

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Solution

The fourth proportional to 8,386.08, 12,573.02 and 3,453.98 is: 5,178.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.08 : 12,573.02 = 3,453.98 : x
  2. Step 2: Convert to fraction form
    8,386.08/12,573.02 = 3,453.98/x
  3. Step 3: Cross multiply
    8,386.08x = 12,573.02 × 3,453.98
  4. Step 4: Simplify right side
    8,386.08x = 43,426,959.62
  5. Step 5: Solve for x
    x = 43,426,959.62/8,386.08
  6. Step 6: Final answer
    x = 5,178.46

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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.