Home / 7,975.28-11,005.65-4,438.41

Finding the Fourth Proportional to 7,975.28, 11,005.65 and 4,438.41

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Solution

The fourth proportional to 7,975.28, 11,005.65 and 4,438.41 is: 6,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.28 : 11,005.65 = 4,438.41 : x
  2. Step 2: Convert to fraction form
    7,975.28/11,005.65 = 4,438.41/x
  3. Step 3: Cross multiply
    7,975.28x = 11,005.65 × 4,438.41
  4. Step 4: Simplify right side
    7,975.28x = 48,847,587.02
  5. Step 5: Solve for x
    x = 48,847,587.02/7,975.28
  6. Step 6: Final answer
    x = 6,124.88

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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.