Home / 8,283.58-11,442.81-6,602.78

Finding the Fourth Proportional to 8,283.58, 11,442.81 and 6,602.78

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Solution

The fourth proportional to 8,283.58, 11,442.81 and 6,602.78 is: 9,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.58 : 11,442.81 = 6,602.78 : x
  2. Step 2: Convert to fraction form
    8,283.58/11,442.81 = 6,602.78/x
  3. Step 3: Cross multiply
    8,283.58x = 11,442.81 × 6,602.78
  4. Step 4: Simplify right side
    8,283.58x = 75,554,357.01
  5. Step 5: Solve for x
    x = 75,554,357.01/8,283.58
  6. Step 6: Final answer
    x = 9,120.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.