Home / 6,639.22-9,998.35-5,783.86

Finding the Fourth Proportional to 6,639.22, 9,998.35 and 5,783.86

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Solution

The fourth proportional to 6,639.22, 9,998.35 and 5,783.86 is: 8,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.22 : 9,998.35 = 5,783.86 : x
  2. Step 2: Convert to fraction form
    6,639.22/9,998.35 = 5,783.86/x
  3. Step 3: Cross multiply
    6,639.22x = 9,998.35 × 5,783.86
  4. Step 4: Simplify right side
    6,639.22x = 57,829,056.63
  5. Step 5: Solve for x
    x = 57,829,056.63/6,639.22
  6. Step 6: Final answer
    x = 8,710.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.