Home / 7,764.96-10,718.64-4,782

Finding the Fourth Proportional to 7,764.96, 10,718.64 and 4,782

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Solution

The fourth proportional to 7,764.96, 10,718.64 and 4,782 is: 6,601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.96 : 10,718.64 = 4,782 : x
  2. Step 2: Convert to fraction form
    7,764.96/10,718.64 = 4,782/x
  3. Step 3: Cross multiply
    7,764.96x = 10,718.64 × 4,782
  4. Step 4: Simplify right side
    7,764.96x = 51,256,536.48
  5. Step 5: Solve for x
    x = 51,256,536.48/7,764.96
  6. Step 6: Final answer
    x = 6,601.00

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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.