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Finding the Fourth Proportional to 5,980.38, 8,953.50 and 4,749.54

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Solution

The fourth proportional to 5,980.38, 8,953.50 and 4,749.54 is: 7,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.38 : 8,953.50 = 4,749.54 : x
  2. Step 2: Convert to fraction form
    5,980.38/8,953.50 = 4,749.54/x
  3. Step 3: Cross multiply
    5,980.38x = 8,953.50 × 4,749.54
  4. Step 4: Simplify right side
    5,980.38x = 42,525,006.39
  5. Step 5: Solve for x
    x = 42,525,006.39/5,980.38
  6. Step 6: Final answer
    x = 7,110.75

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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.