Home / 5,938.10-8,193.86-3,420.08

Finding the Fourth Proportional to 5,938.10, 8,193.86 and 3,420.08

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Solution

The fourth proportional to 5,938.10, 8,193.86 and 3,420.08 is: 4,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.10 : 8,193.86 = 3,420.08 : x
  2. Step 2: Convert to fraction form
    5,938.10/8,193.86 = 3,420.08/x
  3. Step 3: Cross multiply
    5,938.10x = 8,193.86 × 3,420.08
  4. Step 4: Simplify right side
    5,938.10x = 28,023,656.71
  5. Step 5: Solve for x
    x = 28,023,656.71/5,938.10
  6. Step 6: Final answer
    x = 4,719.30

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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.