Home / 4,630.20-6,929.10-4,241.40

Finding the Fourth Proportional to 4,630.20, 6,929.10 and 4,241.40

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Solution

The fourth proportional to 4,630.20, 6,929.10 and 4,241.40 is: 6,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.20 : 6,929.10 = 4,241.40 : x
  2. Step 2: Convert to fraction form
    4,630.20/6,929.10 = 4,241.40/x
  3. Step 3: Cross multiply
    4,630.20x = 6,929.10 × 4,241.40
  4. Step 4: Simplify right side
    4,630.20x = 29,389,084.74
  5. Step 5: Solve for x
    x = 29,389,084.74/4,630.20
  6. Step 6: Final answer
    x = 6,347.26

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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.