Home / 7,423.34-10,245.15-4,279.55

Finding the Fourth Proportional to 7,423.34, 10,245.15 and 4,279.55

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Solution

The fourth proportional to 7,423.34, 10,245.15 and 4,279.55 is: 5,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.34 : 10,245.15 = 4,279.55 : x
  2. Step 2: Convert to fraction form
    7,423.34/10,245.15 = 4,279.55/x
  3. Step 3: Cross multiply
    7,423.34x = 10,245.15 × 4,279.55
  4. Step 4: Simplify right side
    7,423.34x = 43,844,580.46
  5. Step 5: Solve for x
    x = 43,844,580.46/7,423.34
  6. Step 6: Final answer
    x = 5,906.32

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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.