Home / 5,000.86-6,902.58-2,905.39

Finding the Fourth Proportional to 5,000.86, 6,902.58 and 2,905.39

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Solution

The fourth proportional to 5,000.86, 6,902.58 and 2,905.39 is: 4,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.86 : 6,902.58 = 2,905.39 : x
  2. Step 2: Convert to fraction form
    5,000.86/6,902.58 = 2,905.39/x
  3. Step 3: Cross multiply
    5,000.86x = 6,902.58 × 2,905.39
  4. Step 4: Simplify right side
    5,000.86x = 20,054,686.91
  5. Step 5: Solve for x
    x = 20,054,686.91/5,000.86
  6. Step 6: Final answer
    x = 4,010.25

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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.