Home / 7,013.73-9,667.58-6,620.07

Finding the Fourth Proportional to 7,013.73, 9,667.58 and 6,620.07

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Solution

The fourth proportional to 7,013.73, 9,667.58 and 6,620.07 is: 9,124.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.73 : 9,667.58 = 6,620.07 : x
  2. Step 2: Convert to fraction form
    7,013.73/9,667.58 = 6,620.07/x
  3. Step 3: Cross multiply
    7,013.73x = 9,667.58 × 6,620.07
  4. Step 4: Simplify right side
    7,013.73x = 64,000,023.23
  5. Step 5: Solve for x
    x = 64,000,023.23/7,013.73
  6. Step 6: Final answer
    x = 9,124.96

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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.