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Finding the Fourth Proportional to 6,442.59, 9,663.80 and 1,825.59

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Solution

The fourth proportional to 6,442.59, 9,663.80 and 1,825.59 is: 2,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.59 : 9,663.80 = 1,825.59 : x
  2. Step 2: Convert to fraction form
    6,442.59/9,663.80 = 1,825.59/x
  3. Step 3: Cross multiply
    6,442.59x = 9,663.80 × 1,825.59
  4. Step 4: Simplify right side
    6,442.59x = 17,642,127.51
  5. Step 5: Solve for x
    x = 17,642,127.51/6,442.59
  6. Step 6: Final answer
    x = 2,738.36

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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.