Home / 7,503.73-10,355.77-4,147.20

Finding the Fourth Proportional to 7,503.73, 10,355.77 and 4,147.20

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Solution

The fourth proportional to 7,503.73, 10,355.77 and 4,147.20 is: 5,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.73 : 10,355.77 = 4,147.20 : x
  2. Step 2: Convert to fraction form
    7,503.73/10,355.77 = 4,147.20/x
  3. Step 3: Cross multiply
    7,503.73x = 10,355.77 × 4,147.20
  4. Step 4: Simplify right side
    7,503.73x = 42,947,400.14
  5. Step 5: Solve for x
    x = 42,947,400.14/7,503.73
  6. Step 6: Final answer
    x = 5,723.48

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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.