Home / 4,705.02-7,057.53-1,418.11

Finding the Fourth Proportional to 4,705.02, 7,057.53 and 1,418.11

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Solution

The fourth proportional to 4,705.02, 7,057.53 and 1,418.11 is: 2,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.02 : 7,057.53 = 1,418.11 : x
  2. Step 2: Convert to fraction form
    4,705.02/7,057.53 = 1,418.11/x
  3. Step 3: Cross multiply
    4,705.02x = 7,057.53 × 1,418.11
  4. Step 4: Simplify right side
    4,705.02x = 10,008,353.87
  5. Step 5: Solve for x
    x = 10,008,353.87/4,705.02
  6. Step 6: Final answer
    x = 2,127.17

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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.