Home / 7,835.32-10,813.44-6,159.76

Finding the Fourth Proportional to 7,835.32, 10,813.44 and 6,159.76

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Solution

The fourth proportional to 7,835.32, 10,813.44 and 6,159.76 is: 8,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.32 : 10,813.44 = 6,159.76 : x
  2. Step 2: Convert to fraction form
    7,835.32/10,813.44 = 6,159.76/x
  3. Step 3: Cross multiply
    7,835.32x = 10,813.44 × 6,159.76
  4. Step 4: Simplify right side
    7,835.32x = 66,608,195.17
  5. Step 5: Solve for x
    x = 66,608,195.17/7,835.32
  6. Step 6: Final answer
    x = 8,501.02

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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.