Home / 8,930.37-13,378.14-4,243.71

Finding the Fourth Proportional to 8,930.37, 13,378.14 and 4,243.71

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Solution

The fourth proportional to 8,930.37, 13,378.14 and 4,243.71 is: 6,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.37 : 13,378.14 = 4,243.71 : x
  2. Step 2: Convert to fraction form
    8,930.37/13,378.14 = 4,243.71/x
  3. Step 3: Cross multiply
    8,930.37x = 13,378.14 × 4,243.71
  4. Step 4: Simplify right side
    8,930.37x = 56,772,946.50
  5. Step 5: Solve for x
    x = 56,772,946.50/8,930.37
  6. Step 6: Final answer
    x = 6,357.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.