Home / 4,971.19-7,457.70-2,047.90

Finding the Fourth Proportional to 4,971.19, 7,457.70 and 2,047.90

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Solution

The fourth proportional to 4,971.19, 7,457.70 and 2,047.90 is: 3,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.19 : 7,457.70 = 2,047.90 : x
  2. Step 2: Convert to fraction form
    4,971.19/7,457.70 = 2,047.90/x
  3. Step 3: Cross multiply
    4,971.19x = 7,457.70 × 2,047.90
  4. Step 4: Simplify right side
    4,971.19x = 15,272,623.83
  5. Step 5: Solve for x
    x = 15,272,623.83/4,971.19
  6. Step 6: Final answer
    x = 3,072.23

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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.