Home / 4,356.10-6,540.32-4,282.30

Finding the Fourth Proportional to 4,356.10, 6,540.32 and 4,282.30

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Solution

The fourth proportional to 4,356.10, 6,540.32 and 4,282.30 is: 6,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356.10 : 6,540.32 = 4,282.30 : x
  2. Step 2: Convert to fraction form
    4,356.10/6,540.32 = 4,282.30/x
  3. Step 3: Cross multiply
    4,356.10x = 6,540.32 × 4,282.30
  4. Step 4: Simplify right side
    4,356.10x = 28,007,612.34
  5. Step 5: Solve for x
    x = 28,007,612.34/4,356.10
  6. Step 6: Final answer
    x = 6,429.52

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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.