Home / 5,913-8,160.16-3,260.60

Finding the Fourth Proportional to 5,913, 8,160.16 and 3,260.60

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Solution

The fourth proportional to 5,913, 8,160.16 and 3,260.60 is: 4,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913 : 8,160.16 = 3,260.60 : x
  2. Step 2: Convert to fraction form
    5,913/8,160.16 = 3,260.60/x
  3. Step 3: Cross multiply
    5,913x = 8,160.16 × 3,260.60
  4. Step 4: Simplify right side
    5,913x = 26,607,017.70
  5. Step 5: Solve for x
    x = 26,607,017.70/5,913
  6. Step 6: Final answer
    x = 4,499.75

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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.