Home / 5,587.25-8,380.34-1,889.51

Finding the Fourth Proportional to 5,587.25, 8,380.34 and 1,889.51

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Solution

The fourth proportional to 5,587.25, 8,380.34 and 1,889.51 is: 2,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.25 : 8,380.34 = 1,889.51 : x
  2. Step 2: Convert to fraction form
    5,587.25/8,380.34 = 1,889.51/x
  3. Step 3: Cross multiply
    5,587.25x = 8,380.34 × 1,889.51
  4. Step 4: Simplify right side
    5,587.25x = 15,834,736.23
  5. Step 5: Solve for x
    x = 15,834,736.23/5,587.25
  6. Step 6: Final answer
    x = 2,834.08

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Double scale
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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.