Home / 4,683.78-7,025.64-1,563.20

Finding the Fourth Proportional to 4,683.78, 7,025.64 and 1,563.20

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Solution

The fourth proportional to 4,683.78, 7,025.64 and 1,563.20 is: 2,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683.78 : 7,025.64 = 1,563.20 : x
  2. Step 2: Convert to fraction form
    4,683.78/7,025.64 = 1,563.20/x
  3. Step 3: Cross multiply
    4,683.78x = 7,025.64 × 1,563.20
  4. Step 4: Simplify right side
    4,683.78x = 10,982,445.32
  5. Step 5: Solve for x
    x = 10,982,445.32/4,683.78
  6. Step 6: Final answer
    x = 2,344.78

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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.