Home / 4,612.20-6,918.30-4,539.30

Finding the Fourth Proportional to 4,612.20, 6,918.30 and 4,539.30

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Solution

The fourth proportional to 4,612.20, 6,918.30 and 4,539.30 is: 6,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.20 : 6,918.30 = 4,539.30 : x
  2. Step 2: Convert to fraction form
    4,612.20/6,918.30 = 4,539.30/x
  3. Step 3: Cross multiply
    4,612.20x = 6,918.30 × 4,539.30
  4. Step 4: Simplify right side
    4,612.20x = 31,404,239.19
  5. Step 5: Solve for x
    x = 31,404,239.19/4,612.20
  6. Step 6: Final answer
    x = 6,808.95

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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.