Home / 4,970.76-7,439.91-3,654.16

Finding the Fourth Proportional to 4,970.76, 7,439.91 and 3,654.16

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Solution

The fourth proportional to 4,970.76, 7,439.91 and 3,654.16 is: 5,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.76 : 7,439.91 = 3,654.16 : x
  2. Step 2: Convert to fraction form
    4,970.76/7,439.91 = 3,654.16/x
  3. Step 3: Cross multiply
    4,970.76x = 7,439.91 × 3,654.16
  4. Step 4: Simplify right side
    4,970.76x = 27,186,621.53
  5. Step 5: Solve for x
    x = 27,186,621.53/4,970.76
  6. Step 6: Final answer
    x = 5,469.31

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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.