Home / 8,479.45-11,689.35-5,953.87

Finding the Fourth Proportional to 8,479.45, 11,689.35 and 5,953.87

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Solution

The fourth proportional to 8,479.45, 11,689.35 and 5,953.87 is: 8,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.45 : 11,689.35 = 5,953.87 : x
  2. Step 2: Convert to fraction form
    8,479.45/11,689.35 = 5,953.87/x
  3. Step 3: Cross multiply
    8,479.45x = 11,689.35 × 5,953.87
  4. Step 4: Simplify right side
    8,479.45x = 69,596,870.28
  5. Step 5: Solve for x
    x = 69,596,870.28/8,479.45
  6. Step 6: Final answer
    x = 8,207.71

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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.