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Finding the Fourth Proportional to 8,303.67, 11,462.13 and 5,117.49

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Solution

The fourth proportional to 8,303.67, 11,462.13 and 5,117.49 is: 7,064.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.67 : 11,462.13 = 5,117.49 : x
  2. Step 2: Convert to fraction form
    8,303.67/11,462.13 = 5,117.49/x
  3. Step 3: Cross multiply
    8,303.67x = 11,462.13 × 5,117.49
  4. Step 4: Simplify right side
    8,303.67x = 58,657,335.65
  5. Step 5: Solve for x
    x = 58,657,335.65/8,303.67
  6. Step 6: Final answer
    x = 7,064.03

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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.