Home / 4,972.36-7,459.74-2,782.62

Finding the Fourth Proportional to 4,972.36, 7,459.74 and 2,782.62

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Solution

The fourth proportional to 4,972.36, 7,459.74 and 2,782.62 is: 4,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.36 : 7,459.74 = 2,782.62 : x
  2. Step 2: Convert to fraction form
    4,972.36/7,459.74 = 2,782.62/x
  3. Step 3: Cross multiply
    4,972.36x = 7,459.74 × 2,782.62
  4. Step 4: Simplify right side
    4,972.36x = 20,757,621.72
  5. Step 5: Solve for x
    x = 20,757,621.72/4,972.36
  6. Step 6: Final answer
    x = 4,174.60

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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.