Home / 4,683.48-7,025.21-1,398.88

Finding the Fourth Proportional to 4,683.48, 7,025.21 and 1,398.88

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Solution

The fourth proportional to 4,683.48, 7,025.21 and 1,398.88 is: 2,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683.48 : 7,025.21 = 1,398.88 : x
  2. Step 2: Convert to fraction form
    4,683.48/7,025.21 = 1,398.88/x
  3. Step 3: Cross multiply
    4,683.48x = 7,025.21 × 1,398.88
  4. Step 4: Simplify right side
    4,683.48x = 9,827,401.15
  5. Step 5: Solve for x
    x = 9,827,401.15/4,683.48
  6. Step 6: Final answer
    x = 2,098.31

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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.