Home / 5,340.79-8,014.62-2,877.32

Finding the Fourth Proportional to 5,340.79, 8,014.62 and 2,877.32

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Solution

The fourth proportional to 5,340.79, 8,014.62 and 2,877.32 is: 4,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.79 : 8,014.62 = 2,877.32 : x
  2. Step 2: Convert to fraction form
    5,340.79/8,014.62 = 2,877.32/x
  3. Step 3: Cross multiply
    5,340.79x = 8,014.62 × 2,877.32
  4. Step 4: Simplify right side
    5,340.79x = 23,060,649.15
  5. Step 5: Solve for x
    x = 23,060,649.15/5,340.79
  6. Step 6: Final answer
    x = 4,317.84

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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.