Home / 7,939.36-11,829.80-7,586.08

Finding the Fourth Proportional to 7,939.36, 11,829.80 and 7,586.08

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Solution

The fourth proportional to 7,939.36, 11,829.80 and 7,586.08 is: 11,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.36 : 11,829.80 = 7,586.08 : x
  2. Step 2: Convert to fraction form
    7,939.36/11,829.80 = 7,586.08/x
  3. Step 3: Cross multiply
    7,939.36x = 11,829.80 × 7,586.08
  4. Step 4: Simplify right side
    7,939.36x = 89,741,809.18
  5. Step 5: Solve for x
    x = 89,741,809.18/7,939.36
  6. Step 6: Final answer
    x = 11,303.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.