Home / 4,612.26-6,918.40-1,149.50

Finding the Fourth Proportional to 4,612.26, 6,918.40 and 1,149.50

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Solution

The fourth proportional to 4,612.26, 6,918.40 and 1,149.50 is: 1,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.26 : 6,918.40 = 1,149.50 : x
  2. Step 2: Convert to fraction form
    4,612.26/6,918.40 = 1,149.50/x
  3. Step 3: Cross multiply
    4,612.26x = 6,918.40 × 1,149.50
  4. Step 4: Simplify right side
    4,612.26x = 7,952,700.80
  5. Step 5: Solve for x
    x = 7,952,700.80/4,612.26
  6. Step 6: Final answer
    x = 1,724.25

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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.