Home / 4,921.70-6,792.93-3,153.47

Finding the Fourth Proportional to 4,921.70, 6,792.93 and 3,153.47

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Solution

The fourth proportional to 4,921.70, 6,792.93 and 3,153.47 is: 4,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.70 : 6,792.93 = 3,153.47 : x
  2. Step 2: Convert to fraction form
    4,921.70/6,792.93 = 3,153.47/x
  3. Step 3: Cross multiply
    4,921.70x = 6,792.93 × 3,153.47
  4. Step 4: Simplify right side
    4,921.70x = 21,421,267.00
  5. Step 5: Solve for x
    x = 21,421,267.00/4,921.70
  6. Step 6: Final answer
    x = 4,352.42

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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.