Home / 7,917.60-10,926.46-4,381.06

Finding the Fourth Proportional to 7,917.60, 10,926.46 and 4,381.06

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Solution

The fourth proportional to 7,917.60, 10,926.46 and 4,381.06 is: 6,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.60 : 10,926.46 = 4,381.06 : x
  2. Step 2: Convert to fraction form
    7,917.60/10,926.46 = 4,381.06/x
  3. Step 3: Cross multiply
    7,917.60x = 10,926.46 × 4,381.06
  4. Step 4: Simplify right side
    7,917.60x = 47,869,476.85
  5. Step 5: Solve for x
    x = 47,869,476.85/7,917.60
  6. Step 6: Final answer
    x = 6,045.96

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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.