Home / 8,415.82-11,613.85-5,058.70

Finding the Fourth Proportional to 8,415.82, 11,613.85 and 5,058.70

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Solution

The fourth proportional to 8,415.82, 11,613.85 and 5,058.70 is: 6,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.82 : 11,613.85 = 5,058.70 : x
  2. Step 2: Convert to fraction form
    8,415.82/11,613.85 = 5,058.70/x
  3. Step 3: Cross multiply
    8,415.82x = 11,613.85 × 5,058.70
  4. Step 4: Simplify right side
    8,415.82x = 58,750,983.00
  5. Step 5: Solve for x
    x = 58,750,983.00/8,415.82
  6. Step 6: Final answer
    x = 6,981.02

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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.