Home / 7,975.42-11,005.84-4,438.55

Finding the Fourth Proportional to 7,975.42, 11,005.84 and 4,438.55

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Solution

The fourth proportional to 7,975.42, 11,005.84 and 4,438.55 is: 6,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.42 : 11,005.84 = 4,438.55 : x
  2. Step 2: Convert to fraction form
    7,975.42/11,005.84 = 4,438.55/x
  3. Step 3: Cross multiply
    7,975.42x = 11,005.84 × 4,438.55
  4. Step 4: Simplify right side
    7,975.42x = 48,849,982.23
  5. Step 5: Solve for x
    x = 48,849,982.23/7,975.42
  6. Step 6: Final answer
    x = 6,125.07

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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.