Home / 5,439.60-8,157.33-2,317.64

Finding the Fourth Proportional to 5,439.60, 8,157.33 and 2,317.64

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Solution

The fourth proportional to 5,439.60, 8,157.33 and 2,317.64 is: 3,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.60 : 8,157.33 = 2,317.64 : x
  2. Step 2: Convert to fraction form
    5,439.60/8,157.33 = 2,317.64/x
  3. Step 3: Cross multiply
    5,439.60x = 8,157.33 × 2,317.64
  4. Step 4: Simplify right side
    5,439.60x = 18,905,713.51
  5. Step 5: Solve for x
    x = 18,905,713.51/5,439.60
  6. Step 6: Final answer
    x = 3,475.57

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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.