Home / 5,335.39-8,003.57-1,386.64

Finding the Fourth Proportional to 5,335.39, 8,003.57 and 1,386.64

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Solution

The fourth proportional to 5,335.39, 8,003.57 and 1,386.64 is: 2,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.39 : 8,003.57 = 1,386.64 : x
  2. Step 2: Convert to fraction form
    5,335.39/8,003.57 = 1,386.64/x
  3. Step 3: Cross multiply
    5,335.39x = 8,003.57 × 1,386.64
  4. Step 4: Simplify right side
    5,335.39x = 11,098,070.30
  5. Step 5: Solve for x
    x = 11,098,070.30/5,335.39
  6. Step 6: Final answer
    x = 2,080.09

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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.