Home / 7,643.04-10,548.84-4,992.72

Finding the Fourth Proportional to 7,643.04, 10,548.84 and 4,992.72

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Solution

The fourth proportional to 7,643.04, 10,548.84 and 4,992.72 is: 6,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.04 : 10,548.84 = 4,992.72 : x
  2. Step 2: Convert to fraction form
    7,643.04/10,548.84 = 4,992.72/x
  3. Step 3: Cross multiply
    7,643.04x = 10,548.84 × 4,992.72
  4. Step 4: Simplify right side
    7,643.04x = 52,667,404.44
  5. Step 5: Solve for x
    x = 52,667,404.44/7,643.04
  6. Step 6: Final answer
    x = 6,890.90

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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.