Home / 7,538.36-11,280.80-4,904.24

Finding the Fourth Proportional to 7,538.36, 11,280.80 and 4,904.24

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Solution

The fourth proportional to 7,538.36, 11,280.80 and 4,904.24 is: 7,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.36 : 11,280.80 = 4,904.24 : x
  2. Step 2: Convert to fraction form
    7,538.36/11,280.80 = 4,904.24/x
  3. Step 3: Cross multiply
    7,538.36x = 11,280.80 × 4,904.24
  4. Step 4: Simplify right side
    7,538.36x = 55,323,750.59
  5. Step 5: Solve for x
    x = 55,323,750.59/7,538.36
  6. Step 6: Final answer
    x = 7,338.96

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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.