Home / 7,489.96-10,335.77-4,505.23

Finding the Fourth Proportional to 7,489.96, 10,335.77 and 4,505.23

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Solution

The fourth proportional to 7,489.96, 10,335.77 and 4,505.23 is: 6,216.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.96 : 10,335.77 = 4,505.23 : x
  2. Step 2: Convert to fraction form
    7,489.96/10,335.77 = 4,505.23/x
  3. Step 3: Cross multiply
    7,489.96x = 10,335.77 × 4,505.23
  4. Step 4: Simplify right side
    7,489.96x = 46,565,021.08
  5. Step 5: Solve for x
    x = 46,565,021.08/7,489.96
  6. Step 6: Final answer
    x = 6,216.99

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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.