Home / 4,840.32-6,680.16-2,744.40

Finding the Fourth Proportional to 4,840.32, 6,680.16 and 2,744.40

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Solution

The fourth proportional to 4,840.32, 6,680.16 and 2,744.40 is: 3,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.32 : 6,680.16 = 2,744.40 : x
  2. Step 2: Convert to fraction form
    4,840.32/6,680.16 = 2,744.40/x
  3. Step 3: Cross multiply
    4,840.32x = 6,680.16 × 2,744.40
  4. Step 4: Simplify right side
    4,840.32x = 18,333,031.10
  5. Step 5: Solve for x
    x = 18,333,031.10/4,840.32
  6. Step 6: Final answer
    x = 3,787.57

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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.