Home / 7,387.71-11,081.57-3,492.51

Finding the Fourth Proportional to 7,387.71, 11,081.57 and 3,492.51

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Solution

The fourth proportional to 7,387.71, 11,081.57 and 3,492.51 is: 5,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.71 : 11,081.57 = 3,492.51 : x
  2. Step 2: Convert to fraction form
    7,387.71/11,081.57 = 3,492.51/x
  3. Step 3: Cross multiply
    7,387.71x = 11,081.57 × 3,492.51
  4. Step 4: Simplify right side
    7,387.71x = 38,702,476.58
  5. Step 5: Solve for x
    x = 38,702,476.58/7,387.71
  6. Step 6: Final answer
    x = 5,238.77

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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.