Home / 4,767.58-7,151.31-1,955.78

Finding the Fourth Proportional to 4,767.58, 7,151.31 and 1,955.78

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Solution

The fourth proportional to 4,767.58, 7,151.31 and 1,955.78 is: 2,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.58 : 7,151.31 = 1,955.78 : x
  2. Step 2: Convert to fraction form
    4,767.58/7,151.31 = 1,955.78/x
  3. Step 3: Cross multiply
    4,767.58x = 7,151.31 × 1,955.78
  4. Step 4: Simplify right side
    4,767.58x = 13,986,389.07
  5. Step 5: Solve for x
    x = 13,986,389.07/4,767.58
  6. Step 6: Final answer
    x = 2,933.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.