Home / 8,980.89-12,393.68-5,001.99

Finding the Fourth Proportional to 8,980.89, 12,393.68 and 5,001.99

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Solution

The fourth proportional to 8,980.89, 12,393.68 and 5,001.99 is: 6,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.89 : 12,393.68 = 5,001.99 : x
  2. Step 2: Convert to fraction form
    8,980.89/12,393.68 = 5,001.99/x
  3. Step 3: Cross multiply
    8,980.89x = 12,393.68 × 5,001.99
  4. Step 4: Simplify right side
    8,980.89x = 61,993,038.41
  5. Step 5: Solve for x
    x = 61,993,038.41/8,980.89
  6. Step 6: Final answer
    x = 6,902.77

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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.