Home / 7,312.63-10,091.44-3,955.43

Finding the Fourth Proportional to 7,312.63, 10,091.44 and 3,955.43

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Solution

The fourth proportional to 7,312.63, 10,091.44 and 3,955.43 is: 5,458.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.63 : 10,091.44 = 3,955.43 : x
  2. Step 2: Convert to fraction form
    7,312.63/10,091.44 = 3,955.43/x
  3. Step 3: Cross multiply
    7,312.63x = 10,091.44 × 3,955.43
  4. Step 4: Simplify right side
    7,312.63x = 39,915,992.44
  5. Step 5: Solve for x
    x = 39,915,992.44/7,312.63
  6. Step 6: Final answer
    x = 5,458.50

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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.