Home / 7,856.98-10,843.32-4,320.88

Finding the Fourth Proportional to 7,856.98, 10,843.32 and 4,320.88

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Solution

The fourth proportional to 7,856.98, 10,843.32 and 4,320.88 is: 5,963.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.98 : 10,843.32 = 4,320.88 : x
  2. Step 2: Convert to fraction form
    7,856.98/10,843.32 = 4,320.88/x
  3. Step 3: Cross multiply
    7,856.98x = 10,843.32 × 4,320.88
  4. Step 4: Simplify right side
    7,856.98x = 46,852,684.52
  5. Step 5: Solve for x
    x = 46,852,684.52/7,856.98
  6. Step 6: Final answer
    x = 5,963.19

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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.