Home / 7,813.13-10,782.21-4,276.26

Finding the Fourth Proportional to 7,813.13, 10,782.21 and 4,276.26

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Solution

The fourth proportional to 7,813.13, 10,782.21 and 4,276.26 is: 5,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.13 : 10,782.21 = 4,276.26 : x
  2. Step 2: Convert to fraction form
    7,813.13/10,782.21 = 4,276.26/x
  3. Step 3: Cross multiply
    7,813.13x = 10,782.21 × 4,276.26
  4. Step 4: Simplify right side
    7,813.13x = 46,107,549.37
  5. Step 5: Solve for x
    x = 46,107,549.37/7,813.13
  6. Step 6: Final answer
    x = 5,901.29

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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.