Home / 9,427.07-13,020.29-6,277.79

Finding the Fourth Proportional to 9,427.07, 13,020.29 and 6,277.79

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Solution

The fourth proportional to 9,427.07, 13,020.29 and 6,277.79 is: 8,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.07 : 13,020.29 = 6,277.79 : x
  2. Step 2: Convert to fraction form
    9,427.07/13,020.29 = 6,277.79/x
  3. Step 3: Cross multiply
    9,427.07x = 13,020.29 × 6,277.79
  4. Step 4: Simplify right side
    9,427.07x = 81,738,646.36
  5. Step 5: Solve for x
    x = 81,738,646.36/9,427.07
  6. Step 6: Final answer
    x = 8,670.63

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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.