Home / 9,780.09-14,666.40-4,232.99

Finding the Fourth Proportional to 9,780.09, 14,666.40 and 4,232.99

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Solution

The fourth proportional to 9,780.09, 14,666.40 and 4,232.99 is: 6,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.09 : 14,666.40 = 4,232.99 : x
  2. Step 2: Convert to fraction form
    9,780.09/14,666.40 = 4,232.99/x
  3. Step 3: Cross multiply
    9,780.09x = 14,666.40 × 4,232.99
  4. Step 4: Simplify right side
    9,780.09x = 62,082,724.54
  5. Step 5: Solve for x
    x = 62,082,724.54/9,780.09
  6. Step 6: Final answer
    x = 6,347.87

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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.