Home / 7,653.15-11,479.85-2,106.46

Finding the Fourth Proportional to 7,653.15, 11,479.85 and 2,106.46

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Solution

The fourth proportional to 7,653.15, 11,479.85 and 2,106.46 is: 3,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.15 : 11,479.85 = 2,106.46 : x
  2. Step 2: Convert to fraction form
    7,653.15/11,479.85 = 2,106.46/x
  3. Step 3: Cross multiply
    7,653.15x = 11,479.85 × 2,106.46
  4. Step 4: Simplify right side
    7,653.15x = 24,181,776.90
  5. Step 5: Solve for x
    x = 24,181,776.90/7,653.15
  6. Step 6: Final answer
    x = 3,159.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.