Home / 8,305.07-11,461.91-5,117.72

Finding the Fourth Proportional to 8,305.07, 11,461.91 and 5,117.72

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Solution

The fourth proportional to 8,305.07, 11,461.91 and 5,117.72 is: 7,063.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.07 : 11,461.91 = 5,117.72 : x
  2. Step 2: Convert to fraction form
    8,305.07/11,461.91 = 5,117.72/x
  3. Step 3: Cross multiply
    8,305.07x = 11,461.91 × 5,117.72
  4. Step 4: Simplify right side
    8,305.07x = 58,658,763.15
  5. Step 5: Solve for x
    x = 58,658,763.15/8,305.07
  6. Step 6: Final answer
    x = 7,063.01

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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.