Home / 7,786.32-10,743.48-4,643.52

Finding the Fourth Proportional to 7,786.32, 10,743.48 and 4,643.52

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Solution

The fourth proportional to 7,786.32, 10,743.48 and 4,643.52 is: 6,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.32 : 10,743.48 = 4,643.52 : x
  2. Step 2: Convert to fraction form
    7,786.32/10,743.48 = 4,643.52/x
  3. Step 3: Cross multiply
    7,786.32x = 10,743.48 × 4,643.52
  4. Step 4: Simplify right side
    7,786.32x = 49,887,564.25
  5. Step 5: Solve for x
    x = 49,887,564.25/7,786.32
  6. Step 6: Final answer
    x = 6,407.08

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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.