Home / 7,860.91-10,849.60-4,505.97

Finding the Fourth Proportional to 7,860.91, 10,849.60 and 4,505.97

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Solution

The fourth proportional to 7,860.91, 10,849.60 and 4,505.97 is: 6,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.91 : 10,849.60 = 4,505.97 : x
  2. Step 2: Convert to fraction form
    7,860.91/10,849.60 = 4,505.97/x
  3. Step 3: Cross multiply
    7,860.91x = 10,849.60 × 4,505.97
  4. Step 4: Simplify right side
    7,860.91x = 48,887,976.71
  5. Step 5: Solve for x
    x = 48,887,976.71/7,860.91
  6. Step 6: Final answer
    x = 6,219.12

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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.