Home / 4,989.60-6,885.29-2,893.32

Finding the Fourth Proportional to 4,989.60, 6,885.29 and 2,893.32

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Solution

The fourth proportional to 4,989.60, 6,885.29 and 2,893.32 is: 3,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.60 : 6,885.29 = 2,893.32 : x
  2. Step 2: Convert to fraction form
    4,989.60/6,885.29 = 2,893.32/x
  3. Step 3: Cross multiply
    4,989.60x = 6,885.29 × 2,893.32
  4. Step 4: Simplify right side
    4,989.60x = 19,921,332.80
  5. Step 5: Solve for x
    x = 19,921,332.80/4,989.60
  6. Step 6: Final answer
    x = 3,992.57

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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.