Home / 8,320.26-11,479.08-4,960.77

Finding the Fourth Proportional to 8,320.26, 11,479.08 and 4,960.77

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Solution

The fourth proportional to 8,320.26, 11,479.08 and 4,960.77 is: 6,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.26 : 11,479.08 = 4,960.77 : x
  2. Step 2: Convert to fraction form
    8,320.26/11,479.08 = 4,960.77/x
  3. Step 3: Cross multiply
    8,320.26x = 11,479.08 × 4,960.77
  4. Step 4: Simplify right side
    8,320.26x = 56,945,075.69
  5. Step 5: Solve for x
    x = 56,945,075.69/8,320.26
  6. Step 6: Final answer
    x = 6,844.15

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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.