Home / 4,911.30-6,770.43-3,730.32

Finding the Fourth Proportional to 4,911.30, 6,770.43 and 3,730.32

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Solution

The fourth proportional to 4,911.30, 6,770.43 and 3,730.32 is: 5,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.30 : 6,770.43 = 3,730.32 : x
  2. Step 2: Convert to fraction form
    4,911.30/6,770.43 = 3,730.32/x
  3. Step 3: Cross multiply
    4,911.30x = 6,770.43 × 3,730.32
  4. Step 4: Simplify right side
    4,911.30x = 25,255,870.44
  5. Step 5: Solve for x
    x = 25,255,870.44/4,911.30
  6. Step 6: Final answer
    x = 5,142.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.