Home / 4,618.80-6,918.48-4,273.20

Finding the Fourth Proportional to 4,618.80, 6,918.48 and 4,273.20

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Solution

The fourth proportional to 4,618.80, 6,918.48 and 4,273.20 is: 6,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.80 : 6,918.48 = 4,273.20 : x
  2. Step 2: Convert to fraction form
    4,618.80/6,918.48 = 4,273.20/x
  3. Step 3: Cross multiply
    4,618.80x = 6,918.48 × 4,273.20
  4. Step 4: Simplify right side
    4,618.80x = 29,564,048.74
  5. Step 5: Solve for x
    x = 29,564,048.74/4,618.80
  6. Step 6: Final answer
    x = 6,400.81

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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.