Home / 7,192.38-9,928.56-4,835.89

Finding the Fourth Proportional to 7,192.38, 9,928.56 and 4,835.89

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Solution

The fourth proportional to 7,192.38, 9,928.56 and 4,835.89 is: 6,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.38 : 9,928.56 = 4,835.89 : x
  2. Step 2: Convert to fraction form
    7,192.38/9,928.56 = 4,835.89/x
  3. Step 3: Cross multiply
    7,192.38x = 9,928.56 × 4,835.89
  4. Step 4: Simplify right side
    7,192.38x = 48,013,427.36
  5. Step 5: Solve for x
    x = 48,013,427.36/7,192.38
  6. Step 6: Final answer
    x = 6,675.59

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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.