Home / 7,813.43-10,782.44-4,276.59

Finding the Fourth Proportional to 7,813.43, 10,782.44 and 4,276.59

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Solution

The fourth proportional to 7,813.43, 10,782.44 and 4,276.59 is: 5,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.43 : 10,782.44 = 4,276.59 : x
  2. Step 2: Convert to fraction form
    7,813.43/10,782.44 = 4,276.59/x
  3. Step 3: Cross multiply
    7,813.43x = 10,782.44 × 4,276.59
  4. Step 4: Simplify right side
    7,813.43x = 46,112,053.70
  5. Step 5: Solve for x
    x = 46,112,053.70/7,813.43
  6. Step 6: Final answer
    x = 5,901.64

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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.