Home / 5,634.87-7,776.01-3,116.94

Finding the Fourth Proportional to 5,634.87, 7,776.01 and 3,116.94

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Solution

The fourth proportional to 5,634.87, 7,776.01 and 3,116.94 is: 4,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.87 : 7,776.01 = 3,116.94 : x
  2. Step 2: Convert to fraction form
    5,634.87/7,776.01 = 3,116.94/x
  3. Step 3: Cross multiply
    5,634.87x = 7,776.01 × 3,116.94
  4. Step 4: Simplify right side
    5,634.87x = 24,237,356.61
  5. Step 5: Solve for x
    x = 24,237,356.61/5,634.87
  6. Step 6: Final answer
    x = 4,301.32

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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.