Home / 5,370.38-8,056.32-1,672.88

Finding the Fourth Proportional to 5,370.38, 8,056.32 and 1,672.88

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Solution

The fourth proportional to 5,370.38, 8,056.32 and 1,672.88 is: 2,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.38 : 8,056.32 = 1,672.88 : x
  2. Step 2: Convert to fraction form
    5,370.38/8,056.32 = 1,672.88/x
  3. Step 3: Cross multiply
    5,370.38x = 8,056.32 × 1,672.88
  4. Step 4: Simplify right side
    5,370.38x = 13,477,256.60
  5. Step 5: Solve for x
    x = 13,477,256.60/5,370.38
  6. Step 6: Final answer
    x = 2,509.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.