Home / 7,809.24-10,776.90-4,272.45

Finding the Fourth Proportional to 7,809.24, 10,776.90 and 4,272.45

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Solution

The fourth proportional to 7,809.24, 10,776.90 and 4,272.45 is: 5,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.24 : 10,776.90 = 4,272.45 : x
  2. Step 2: Convert to fraction form
    7,809.24/10,776.90 = 4,272.45/x
  3. Step 3: Cross multiply
    7,809.24x = 10,776.90 × 4,272.45
  4. Step 4: Simplify right side
    7,809.24x = 46,043,717.98
  5. Step 5: Solve for x
    x = 46,043,717.98/7,809.24
  6. Step 6: Final answer
    x = 5,896.06

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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.