Home / 5,445.80-8,157.76-4,609.28

Finding the Fourth Proportional to 5,445.80, 8,157.76 and 4,609.28

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Solution

The fourth proportional to 5,445.80, 8,157.76 and 4,609.28 is: 6,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.80 : 8,157.76 = 4,609.28 : x
  2. Step 2: Convert to fraction form
    5,445.80/8,157.76 = 4,609.28/x
  3. Step 3: Cross multiply
    5,445.80x = 8,157.76 × 4,609.28
  4. Step 4: Simplify right side
    5,445.80x = 37,601,359.22
  5. Step 5: Solve for x
    x = 37,601,359.22/5,445.80
  6. Step 6: Final answer
    x = 6,904.65

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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.