Home / 4,945.07-7,420.52-1,827.28

Finding the Fourth Proportional to 4,945.07, 7,420.52 and 1,827.28

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Solution

The fourth proportional to 4,945.07, 7,420.52 and 1,827.28 is: 2,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.07 : 7,420.52 = 1,827.28 : x
  2. Step 2: Convert to fraction form
    4,945.07/7,420.52 = 1,827.28/x
  3. Step 3: Cross multiply
    4,945.07x = 7,420.52 × 1,827.28
  4. Step 4: Simplify right side
    4,945.07x = 13,559,358.65
  5. Step 5: Solve for x
    x = 13,559,358.65/4,945.07
  6. Step 6: Final answer
    x = 2,742.00

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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.