Home / 4,872.49-6,723.56-2,748.35

Finding the Fourth Proportional to 4,872.49, 6,723.56 and 2,748.35

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Solution

The fourth proportional to 4,872.49, 6,723.56 and 2,748.35 is: 3,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.49 : 6,723.56 = 2,748.35 : x
  2. Step 2: Convert to fraction form
    4,872.49/6,723.56 = 2,748.35/x
  3. Step 3: Cross multiply
    4,872.49x = 6,723.56 × 2,748.35
  4. Step 4: Simplify right side
    4,872.49x = 18,478,648.77
  5. Step 5: Solve for x
    x = 18,478,648.77/4,872.49
  6. Step 6: Final answer
    x = 3,792.45

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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.