Home / 7,485.15-11,228.30-4,365.47

Finding the Fourth Proportional to 7,485.15, 11,228.30 and 4,365.47

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Solution

The fourth proportional to 7,485.15, 11,228.30 and 4,365.47 is: 6,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.15 : 11,228.30 = 4,365.47 : x
  2. Step 2: Convert to fraction form
    7,485.15/11,228.30 = 4,365.47/x
  3. Step 3: Cross multiply
    7,485.15x = 11,228.30 × 4,365.47
  4. Step 4: Simplify right side
    7,485.15x = 49,016,806.80
  5. Step 5: Solve for x
    x = 49,016,806.80/7,485.15
  6. Step 6: Final answer
    x = 6,548.54

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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.