Home / 5,587.07-7,709.85-3,819.11

Finding the Fourth Proportional to 5,587.07, 7,709.85 and 3,819.11

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Solution

The fourth proportional to 5,587.07, 7,709.85 and 3,819.11 is: 5,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.07 : 7,709.85 = 3,819.11 : x
  2. Step 2: Convert to fraction form
    5,587.07/7,709.85 = 3,819.11/x
  3. Step 3: Cross multiply
    5,587.07x = 7,709.85 × 3,819.11
  4. Step 4: Simplify right side
    5,587.07x = 29,444,765.23
  5. Step 5: Solve for x
    x = 29,444,765.23/5,587.07
  6. Step 6: Final answer
    x = 5,270.16

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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.