Home / 4,748.09-7,122.81-1,461.46

Finding the Fourth Proportional to 4,748.09, 7,122.81 and 1,461.46

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Solution

The fourth proportional to 4,748.09, 7,122.81 and 1,461.46 is: 2,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.09 : 7,122.81 = 1,461.46 : x
  2. Step 2: Convert to fraction form
    4,748.09/7,122.81 = 1,461.46/x
  3. Step 3: Cross multiply
    4,748.09x = 7,122.81 × 1,461.46
  4. Step 4: Simplify right side
    4,748.09x = 10,409,666.29
  5. Step 5: Solve for x
    x = 10,409,666.29/4,748.09
  6. Step 6: Final answer
    x = 2,192.39

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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.