Home / 5,405.06-7,458.45-3,047.60

Finding the Fourth Proportional to 5,405.06, 7,458.45 and 3,047.60

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Solution

The fourth proportional to 5,405.06, 7,458.45 and 3,047.60 is: 4,205.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.06 : 7,458.45 = 3,047.60 : x
  2. Step 2: Convert to fraction form
    5,405.06/7,458.45 = 3,047.60/x
  3. Step 3: Cross multiply
    5,405.06x = 7,458.45 × 3,047.60
  4. Step 4: Simplify right side
    5,405.06x = 22,730,372.22
  5. Step 5: Solve for x
    x = 22,730,372.22/5,405.06
  6. Step 6: Final answer
    x = 4,205.39

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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.