Home / 4,748.50-7,122.54-1,461.45

Finding the Fourth Proportional to 4,748.50, 7,122.54 and 1,461.45

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Solution

The fourth proportional to 4,748.50, 7,122.54 and 1,461.45 is: 2,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.50 : 7,122.54 = 1,461.45 : x
  2. Step 2: Convert to fraction form
    4,748.50/7,122.54 = 1,461.45/x
  3. Step 3: Cross multiply
    4,748.50x = 7,122.54 × 1,461.45
  4. Step 4: Simplify right side
    4,748.50x = 10,409,236.08
  5. Step 5: Solve for x
    x = 10,409,236.08/4,748.50
  6. Step 6: Final answer
    x = 2,192.11

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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.