Home / 9,299.79-12,828.93-5,939.07

Finding the Fourth Proportional to 9,299.79, 12,828.93 and 5,939.07

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Solution

The fourth proportional to 9,299.79, 12,828.93 and 5,939.07 is: 8,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,299.79 : 12,828.93 = 5,939.07 : x
  2. Step 2: Convert to fraction form
    9,299.79/12,828.93 = 5,939.07/x
  3. Step 3: Cross multiply
    9,299.79x = 12,828.93 × 5,939.07
  4. Step 4: Simplify right side
    9,299.79x = 76,191,913.30
  5. Step 5: Solve for x
    x = 76,191,913.30/9,299.79
  6. Step 6: Final answer
    x = 8,192.86

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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.