Home / 4,980.35-7,470.50-1,282.26

Finding the Fourth Proportional to 4,980.35, 7,470.50 and 1,282.26

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Solution

The fourth proportional to 4,980.35, 7,470.50 and 1,282.26 is: 1,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.35 : 7,470.50 = 1,282.26 : x
  2. Step 2: Convert to fraction form
    4,980.35/7,470.50 = 1,282.26/x
  3. Step 3: Cross multiply
    4,980.35x = 7,470.50 × 1,282.26
  4. Step 4: Simplify right side
    4,980.35x = 9,579,116.92
  5. Step 5: Solve for x
    x = 9,579,116.92/4,980.35
  6. Step 6: Final answer
    x = 1,923.38

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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.