Home / 8,245.13-11,377.74-5,260.65

Finding the Fourth Proportional to 8,245.13, 11,377.74 and 5,260.65

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Solution

The fourth proportional to 8,245.13, 11,377.74 and 5,260.65 is: 7,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.13 : 11,377.74 = 5,260.65 : x
  2. Step 2: Convert to fraction form
    8,245.13/11,377.74 = 5,260.65/x
  3. Step 3: Cross multiply
    8,245.13x = 11,377.74 × 5,260.65
  4. Step 4: Simplify right side
    8,245.13x = 59,854,307.93
  5. Step 5: Solve for x
    x = 59,854,307.93/8,245.13
  6. Step 6: Final answer
    x = 7,259.35

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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.