Home / 5,672.86-8,507.38-2,385.34

Finding the Fourth Proportional to 5,672.86, 8,507.38 and 2,385.34

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Solution

The fourth proportional to 5,672.86, 8,507.38 and 2,385.34 is: 3,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.86 : 8,507.38 = 2,385.34 : x
  2. Step 2: Convert to fraction form
    5,672.86/8,507.38 = 2,385.34/x
  3. Step 3: Cross multiply
    5,672.86x = 8,507.38 × 2,385.34
  4. Step 4: Simplify right side
    5,672.86x = 20,292,993.81
  5. Step 5: Solve for x
    x = 20,292,993.81/5,672.86
  6. Step 6: Final answer
    x = 3,577.21

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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.