Home / 7,430.72-10,255.38-4,880.66

Finding the Fourth Proportional to 7,430.72, 10,255.38 and 4,880.66

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Solution

The fourth proportional to 7,430.72, 10,255.38 and 4,880.66 is: 6,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.72 : 10,255.38 = 4,880.66 : x
  2. Step 2: Convert to fraction form
    7,430.72/10,255.38 = 4,880.66/x
  3. Step 3: Cross multiply
    7,430.72x = 10,255.38 × 4,880.66
  4. Step 4: Simplify right side
    7,430.72x = 50,053,022.95
  5. Step 5: Solve for x
    x = 50,053,022.95/7,430.72
  6. Step 6: Final answer
    x = 6,735.96

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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.