Home / 5,428.44-7,492.59-3,071.97

Finding the Fourth Proportional to 5,428.44, 7,492.59 and 3,071.97

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Solution

The fourth proportional to 5,428.44, 7,492.59 and 3,071.97 is: 4,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.44 : 7,492.59 = 3,071.97 : x
  2. Step 2: Convert to fraction form
    5,428.44/7,492.59 = 3,071.97/x
  3. Step 3: Cross multiply
    5,428.44x = 7,492.59 × 3,071.97
  4. Step 4: Simplify right side
    5,428.44x = 23,017,011.70
  5. Step 5: Solve for x
    x = 23,017,011.70/5,428.44
  6. Step 6: Final answer
    x = 4,240.08

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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.