Home / 7,717.02-11,542.56-6,442.83

Finding the Fourth Proportional to 7,717.02, 11,542.56 and 6,442.83

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Solution

The fourth proportional to 7,717.02, 11,542.56 and 6,442.83 is: 9,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.02 : 11,542.56 = 6,442.83 : x
  2. Step 2: Convert to fraction form
    7,717.02/11,542.56 = 6,442.83/x
  3. Step 3: Cross multiply
    7,717.02x = 11,542.56 × 6,442.83
  4. Step 4: Simplify right side
    7,717.02x = 74,366,751.84
  5. Step 5: Solve for x
    x = 74,366,751.84/7,717.02
  6. Step 6: Final answer
    x = 9,636.72

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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.