Home / 7,898.02-11,848.85-4,203.81

Finding the Fourth Proportional to 7,898.02, 11,848.85 and 4,203.81

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Solution

The fourth proportional to 7,898.02, 11,848.85 and 4,203.81 is: 6,306.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.02 : 11,848.85 = 4,203.81 : x
  2. Step 2: Convert to fraction form
    7,898.02/11,848.85 = 4,203.81/x
  3. Step 3: Cross multiply
    7,898.02x = 11,848.85 × 4,203.81
  4. Step 4: Simplify right side
    7,898.02x = 49,810,308.86
  5. Step 5: Solve for x
    x = 49,810,308.86/7,898.02
  6. Step 6: Final answer
    x = 6,306.69

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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.