Home / 7,636.54-10,538.31-4,279.35

Finding the Fourth Proportional to 7,636.54, 10,538.31 and 4,279.35

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Solution

The fourth proportional to 7,636.54, 10,538.31 and 4,279.35 is: 5,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.54 : 10,538.31 = 4,279.35 : x
  2. Step 2: Convert to fraction form
    7,636.54/10,538.31 = 4,279.35/x
  3. Step 3: Cross multiply
    7,636.54x = 10,538.31 × 4,279.35
  4. Step 4: Simplify right side
    7,636.54x = 45,097,042.81
  5. Step 5: Solve for x
    x = 45,097,042.81/7,636.54
  6. Step 6: Final answer
    x = 5,905.43

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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.