Home / 9,215.59-13,828.80-4,020.79

Finding the Fourth Proportional to 9,215.59, 13,828.80 and 4,020.79

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Solution

The fourth proportional to 9,215.59, 13,828.80 and 4,020.79 is: 6,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.59 : 13,828.80 = 4,020.79 : x
  2. Step 2: Convert to fraction form
    9,215.59/13,828.80 = 4,020.79/x
  3. Step 3: Cross multiply
    9,215.59x = 13,828.80 × 4,020.79
  4. Step 4: Simplify right side
    9,215.59x = 55,602,700.75
  5. Step 5: Solve for x
    x = 55,602,700.75/9,215.59
  6. Step 6: Final answer
    x = 6,033.55

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1.5x scale

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.