Home / 7,829.86-10,805.20-4,293.06

Finding the Fourth Proportional to 7,829.86, 10,805.20 and 4,293.06

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Solution

The fourth proportional to 7,829.86, 10,805.20 and 4,293.06 is: 5,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.86 : 10,805.20 = 4,293.06 : x
  2. Step 2: Convert to fraction form
    7,829.86/10,805.20 = 4,293.06/x
  3. Step 3: Cross multiply
    7,829.86x = 10,805.20 × 4,293.06
  4. Step 4: Simplify right side
    7,829.86x = 46,387,296.42
  5. Step 5: Solve for x
    x = 46,387,296.42/7,829.86
  6. Step 6: Final answer
    x = 5,924.41

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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.