Home / 7,943.10-10,961.34-4,406.28

Finding the Fourth Proportional to 7,943.10, 10,961.34 and 4,406.28

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Solution

The fourth proportional to 7,943.10, 10,961.34 and 4,406.28 is: 6,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.10 : 10,961.34 = 4,406.28 : x
  2. Step 2: Convert to fraction form
    7,943.10/10,961.34 = 4,406.28/x
  3. Step 3: Cross multiply
    7,943.10x = 10,961.34 × 4,406.28
  4. Step 4: Simplify right side
    7,943.10x = 48,298,733.22
  5. Step 5: Solve for x
    x = 48,298,733.22/7,943.10
  6. Step 6: Final answer
    x = 6,080.59

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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.