Home / 7,844.88-10,826.52-5,157.84

Finding the Fourth Proportional to 7,844.88, 10,826.52 and 5,157.84

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Solution

The fourth proportional to 7,844.88, 10,826.52 and 5,157.84 is: 7,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.88 : 10,826.52 = 5,157.84 : x
  2. Step 2: Convert to fraction form
    7,844.88/10,826.52 = 5,157.84/x
  3. Step 3: Cross multiply
    7,844.88x = 10,826.52 × 5,157.84
  4. Step 4: Simplify right side
    7,844.88x = 55,841,457.92
  5. Step 5: Solve for x
    x = 55,841,457.92/7,844.88
  6. Step 6: Final answer
    x = 7,118.20

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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.