Home / 5,035.79-6,941.32-3,420.20

Finding the Fourth Proportional to 5,035.79, 6,941.32 and 3,420.20

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Solution

The fourth proportional to 5,035.79, 6,941.32 and 3,420.20 is: 4,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035.79 : 6,941.32 = 3,420.20 : x
  2. Step 2: Convert to fraction form
    5,035.79/6,941.32 = 3,420.20/x
  3. Step 3: Cross multiply
    5,035.79x = 6,941.32 × 3,420.20
  4. Step 4: Simplify right side
    5,035.79x = 23,740,711.47
  5. Step 5: Solve for x
    x = 23,740,711.47/5,035.79
  6. Step 6: Final answer
    x = 4,714.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.