Home / 8,219.47-11,342.14-4,634.68

Finding the Fourth Proportional to 8,219.47, 11,342.14 and 4,634.68

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Solution

The fourth proportional to 8,219.47, 11,342.14 and 4,634.68 is: 6,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.47 : 11,342.14 = 4,634.68 : x
  2. Step 2: Convert to fraction form
    8,219.47/11,342.14 = 4,634.68/x
  3. Step 3: Cross multiply
    8,219.47x = 11,342.14 × 4,634.68
  4. Step 4: Simplify right side
    8,219.47x = 52,567,189.42
  5. Step 5: Solve for x
    x = 52,567,189.42/8,219.47
  6. Step 6: Final answer
    x = 6,395.45

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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.