Home / 5,905.47-8,863.67-2,985.82

Finding the Fourth Proportional to 5,905.47, 8,863.67 and 2,985.82

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Solution

The fourth proportional to 5,905.47, 8,863.67 and 2,985.82 is: 4,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.47 : 8,863.67 = 2,985.82 : x
  2. Step 2: Convert to fraction form
    5,905.47/8,863.67 = 2,985.82/x
  3. Step 3: Cross multiply
    5,905.47x = 8,863.67 × 2,985.82
  4. Step 4: Simplify right side
    5,905.47x = 26,465,323.16
  5. Step 5: Solve for x
    x = 26,465,323.16/5,905.47
  6. Step 6: Final answer
    x = 4,481.49

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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.