Home / 7,643.18-11,464.29-2,712.17

Finding the Fourth Proportional to 7,643.18, 11,464.29 and 2,712.17

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Solution

The fourth proportional to 7,643.18, 11,464.29 and 2,712.17 is: 4,068.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.18 : 11,464.29 = 2,712.17 : x
  2. Step 2: Convert to fraction form
    7,643.18/11,464.29 = 2,712.17/x
  3. Step 3: Cross multiply
    7,643.18x = 11,464.29 × 2,712.17
  4. Step 4: Simplify right side
    7,643.18x = 31,093,103.41
  5. Step 5: Solve for x
    x = 31,093,103.41/7,643.18
  6. Step 6: Final answer
    x = 4,068.08

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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.