Home / 5,683.60-8,517.40-4,515.60

Finding the Fourth Proportional to 5,683.60, 8,517.40 and 4,515.60

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Solution

The fourth proportional to 5,683.60, 8,517.40 and 4,515.60 is: 6,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.60 : 8,517.40 = 4,515.60 : x
  2. Step 2: Convert to fraction form
    5,683.60/8,517.40 = 4,515.60/x
  3. Step 3: Cross multiply
    5,683.60x = 8,517.40 × 4,515.60
  4. Step 4: Simplify right side
    5,683.60x = 38,461,171.44
  5. Step 5: Solve for x
    x = 38,461,171.44/5,683.60
  6. Step 6: Final answer
    x = 6,767.04

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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.