Home / 7,913.35-11,818.40-6,730.75

Finding the Fourth Proportional to 7,913.35, 11,818.40 and 6,730.75

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Solution

The fourth proportional to 7,913.35, 11,818.40 and 6,730.75 is: 10,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.35 : 11,818.40 = 6,730.75 : x
  2. Step 2: Convert to fraction form
    7,913.35/11,818.40 = 6,730.75/x
  3. Step 3: Cross multiply
    7,913.35x = 11,818.40 × 6,730.75
  4. Step 4: Simplify right side
    7,913.35x = 79,546,695.80
  5. Step 5: Solve for x
    x = 79,546,695.80/7,913.35
  6. Step 6: Final answer
    x = 10,052.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.