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Finding the Fourth Proportional to 5,805.15, 8,011.13 and 3,415.01

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Solution

The fourth proportional to 5,805.15, 8,011.13 and 3,415.01 is: 4,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.15 : 8,011.13 = 3,415.01 : x
  2. Step 2: Convert to fraction form
    5,805.15/8,011.13 = 3,415.01/x
  3. Step 3: Cross multiply
    5,805.15x = 8,011.13 × 3,415.01
  4. Step 4: Simplify right side
    5,805.15x = 27,358,031.93
  5. Step 5: Solve for x
    x = 27,358,031.93/5,805.15
  6. Step 6: Final answer
    x = 4,712.72

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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.