Home / 4,620.25-6,930.36-1,157.50

Finding the Fourth Proportional to 4,620.25, 6,930.36 and 1,157.50

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Solution

The fourth proportional to 4,620.25, 6,930.36 and 1,157.50 is: 1,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.25 : 6,930.36 = 1,157.50 : x
  2. Step 2: Convert to fraction form
    4,620.25/6,930.36 = 1,157.50/x
  3. Step 3: Cross multiply
    4,620.25x = 6,930.36 × 1,157.50
  4. Step 4: Simplify right side
    4,620.25x = 8,021,900.36
  5. Step 5: Solve for x
    x = 8,021,900.36/4,620.25
  6. Step 6: Final answer
    x = 1,736.25

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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.