Home / 7,643.45-11,466.99-2,712.71

Finding the Fourth Proportional to 7,643.45, 11,466.99 and 2,712.71

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Solution

The fourth proportional to 7,643.45, 11,466.99 and 2,712.71 is: 4,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.45 : 11,466.99 = 2,712.71 : x
  2. Step 2: Convert to fraction form
    7,643.45/11,466.99 = 2,712.71/x
  3. Step 3: Cross multiply
    7,643.45x = 11,466.99 × 2,712.71
  4. Step 4: Simplify right side
    7,643.45x = 31,106,561.11
  5. Step 5: Solve for x
    x = 31,106,561.11/7,643.45
  6. Step 6: Final answer
    x = 4,069.70

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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.