Home / 5,277.69-7,908.98-2,642.51

Finding the Fourth Proportional to 5,277.69, 7,908.98 and 2,642.51

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Solution

The fourth proportional to 5,277.69, 7,908.98 and 2,642.51 is: 3,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.69 : 7,908.98 = 2,642.51 : x
  2. Step 2: Convert to fraction form
    5,277.69/7,908.98 = 2,642.51/x
  3. Step 3: Cross multiply
    5,277.69x = 7,908.98 × 2,642.51
  4. Step 4: Simplify right side
    5,277.69x = 20,899,565.30
  5. Step 5: Solve for x
    x = 20,899,565.30/5,277.69
  6. Step 6: Final answer
    x = 3,959.98

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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.