Home / 4,945.10-7,417.63-1,247.61

Finding the Fourth Proportional to 4,945.10, 7,417.63 and 1,247.61

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Solution

The fourth proportional to 4,945.10, 7,417.63 and 1,247.61 is: 1,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.10 : 7,417.63 = 1,247.61 : x
  2. Step 2: Convert to fraction form
    4,945.10/7,417.63 = 1,247.61/x
  3. Step 3: Cross multiply
    4,945.10x = 7,417.63 × 1,247.61
  4. Step 4: Simplify right side
    4,945.10x = 9,254,338.74
  5. Step 5: Solve for x
    x = 9,254,338.74/4,945.10
  6. Step 6: Final answer
    x = 1,871.42

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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.