Home / 7,112.52-9,806.40-4,458.96

Finding the Fourth Proportional to 7,112.52, 9,806.40 and 4,458.96

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Solution

The fourth proportional to 7,112.52, 9,806.40 and 4,458.96 is: 6,147.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.52 : 9,806.40 = 4,458.96 : x
  2. Step 2: Convert to fraction form
    7,112.52/9,806.40 = 4,458.96/x
  3. Step 3: Cross multiply
    7,112.52x = 9,806.40 × 4,458.96
  4. Step 4: Simplify right side
    7,112.52x = 43,726,345.34
  5. Step 5: Solve for x
    x = 43,726,345.34/7,112.52
  6. Step 6: Final answer
    x = 6,147.80

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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.