Home / 7,913.34-11,872.80-4,948.35

Finding the Fourth Proportional to 7,913.34, 11,872.80 and 4,948.35

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Solution

The fourth proportional to 7,913.34, 11,872.80 and 4,948.35 is: 7,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.34 : 11,872.80 = 4,948.35 : x
  2. Step 2: Convert to fraction form
    7,913.34/11,872.80 = 4,948.35/x
  3. Step 3: Cross multiply
    7,913.34x = 11,872.80 × 4,948.35
  4. Step 4: Simplify right side
    7,913.34x = 58,750,769.88
  5. Step 5: Solve for x
    x = 58,750,769.88/7,913.34
  6. Step 6: Final answer
    x = 7,424.27

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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.