Home / 7,765.38-10,716.35-4,782.56

Finding the Fourth Proportional to 7,765.38, 10,716.35 and 4,782.56

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Solution

The fourth proportional to 7,765.38, 10,716.35 and 4,782.56 is: 6,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.38 : 10,716.35 = 4,782.56 : x
  2. Step 2: Convert to fraction form
    7,765.38/10,716.35 = 4,782.56/x
  3. Step 3: Cross multiply
    7,765.38x = 10,716.35 × 4,782.56
  4. Step 4: Simplify right side
    7,765.38x = 51,251,509.36
  5. Step 5: Solve for x
    x = 51,251,509.36/7,765.38
  6. Step 6: Final answer
    x = 6,600.00

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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.