Home / 8,899.86-13,332.62-4,992.42

Finding the Fourth Proportional to 8,899.86, 13,332.62 and 4,992.42

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Solution

The fourth proportional to 8,899.86, 13,332.62 and 4,992.42 is: 7,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.86 : 13,332.62 = 4,992.42 : x
  2. Step 2: Convert to fraction form
    8,899.86/13,332.62 = 4,992.42/x
  3. Step 3: Cross multiply
    8,899.86x = 13,332.62 × 4,992.42
  4. Step 4: Simplify right side
    8,899.86x = 66,562,038.74
  5. Step 5: Solve for x
    x = 66,562,038.74/8,899.86
  6. Step 6: Final answer
    x = 7,479.00

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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.