Home / 7,636.23-10,538.28-4,279.18

Finding the Fourth Proportional to 7,636.23, 10,538.28 and 4,279.18

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Solution

The fourth proportional to 7,636.23, 10,538.28 and 4,279.18 is: 5,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.23 : 10,538.28 = 4,279.18 : x
  2. Step 2: Convert to fraction form
    7,636.23/10,538.28 = 4,279.18/x
  3. Step 3: Cross multiply
    7,636.23x = 10,538.28 × 4,279.18
  4. Step 4: Simplify right side
    7,636.23x = 45,095,197.01
  5. Step 5: Solve for x
    x = 45,095,197.01/7,636.23
  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.