Home / 5,212.71-7,150.70-4,930.25

Finding the Fourth Proportional to 5,212.71, 7,150.70 and 4,930.25

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Solution

The fourth proportional to 5,212.71, 7,150.70 and 4,930.25 is: 6,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.71 : 7,150.70 = 4,930.25 : x
  2. Step 2: Convert to fraction form
    5,212.71/7,150.70 = 4,930.25/x
  3. Step 3: Cross multiply
    5,212.71x = 7,150.70 × 4,930.25
  4. Step 4: Simplify right side
    5,212.71x = 35,254,715.25
  5. Step 5: Solve for x
    x = 35,254,715.25/5,212.71
  6. Step 6: Final answer
    x = 6,763.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.