Home / 6,922.49-10,366.34-4,279.12

Finding the Fourth Proportional to 6,922.49, 10,366.34 and 4,279.12

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Solution

The fourth proportional to 6,922.49, 10,366.34 and 4,279.12 is: 6,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.49 : 10,366.34 = 4,279.12 : x
  2. Step 2: Convert to fraction form
    6,922.49/10,366.34 = 4,279.12/x
  3. Step 3: Cross multiply
    6,922.49x = 10,366.34 × 4,279.12
  4. Step 4: Simplify right side
    6,922.49x = 44,358,765.51
  5. Step 5: Solve for x
    x = 44,358,765.51/6,922.49
  6. Step 6: Final answer
    x = 6,407.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.