Home / 10,485.37-15,705.37-4,930.39

Finding the Fourth Proportional to 10,485.37, 15,705.37 and 4,930.39

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Solution

The fourth proportional to 10,485.37, 15,705.37 and 4,930.39 is: 7,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.37 : 15,705.37 = 4,930.39 : x
  2. Step 2: Convert to fraction form
    10,485.37/15,705.37 = 4,930.39/x
  3. Step 3: Cross multiply
    10,485.37x = 15,705.37 × 4,930.39
  4. Step 4: Simplify right side
    10,485.37x = 77,433,599.19
  5. Step 5: Solve for x
    x = 77,433,599.19/10,485.37
  6. Step 6: Final answer
    x = 7,384.92

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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.