Home / 7,813.17-10,782.19-4,276.61

Finding the Fourth Proportional to 7,813.17, 10,782.19 and 4,276.61

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Solution

The fourth proportional to 7,813.17, 10,782.19 and 4,276.61 is: 5,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.17 : 10,782.19 = 4,276.61 : x
  2. Step 2: Convert to fraction form
    7,813.17/10,782.19 = 4,276.61/x
  3. Step 3: Cross multiply
    7,813.17x = 10,782.19 × 4,276.61
  4. Step 4: Simplify right side
    7,813.17x = 46,111,221.58
  5. Step 5: Solve for x
    x = 46,111,221.58/7,813.17
  6. Step 6: Final answer
    x = 5,901.73

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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.