Home / 7,423.68-10,246.12-4,905.92

Finding the Fourth Proportional to 7,423.68, 10,246.12 and 4,905.92

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Solution

The fourth proportional to 7,423.68, 10,246.12 and 4,905.92 is: 6,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.68 : 10,246.12 = 4,905.92 : x
  2. Step 2: Convert to fraction form
    7,423.68/10,246.12 = 4,905.92/x
  3. Step 3: Cross multiply
    7,423.68x = 10,246.12 × 4,905.92
  4. Step 4: Simplify right side
    7,423.68x = 50,266,645.03
  5. Step 5: Solve for x
    x = 50,266,645.03/7,423.68
  6. Step 6: Final answer
    x = 6,771.12

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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.