Home / 4,945.41-7,417.83-1,247.62

Finding the Fourth Proportional to 4,945.41, 7,417.83 and 1,247.62

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Solution

The fourth proportional to 4,945.41, 7,417.83 and 1,247.62 is: 1,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.41 : 7,417.83 = 1,247.62 : x
  2. Step 2: Convert to fraction form
    4,945.41/7,417.83 = 1,247.62/x
  3. Step 3: Cross multiply
    4,945.41x = 7,417.83 × 1,247.62
  4. Step 4: Simplify right side
    4,945.41x = 9,254,633.06
  5. Step 5: Solve for x
    x = 9,254,633.06/4,945.41
  6. Step 6: Final answer
    x = 1,871.36

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1.5x scale

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.