Home / 7,428.57-10,247.67-4,443.60

Finding the Fourth Proportional to 7,428.57, 10,247.67 and 4,443.60

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Solution

The fourth proportional to 7,428.57, 10,247.67 and 4,443.60 is: 6,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.57 : 10,247.67 = 4,443.60 : x
  2. Step 2: Convert to fraction form
    7,428.57/10,247.67 = 4,443.60/x
  3. Step 3: Cross multiply
    7,428.57x = 10,247.67 × 4,443.60
  4. Step 4: Simplify right side
    7,428.57x = 45,536,546.41
  5. Step 5: Solve for x
    x = 45,536,546.41/7,428.57
  6. Step 6: Final answer
    x = 6,129.92

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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.