Home / 9,260.42-13,890.80-3,020.40

Finding the Fourth Proportional to 9,260.42, 13,890.80 and 3,020.40

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Solution

The fourth proportional to 9,260.42, 13,890.80 and 3,020.40 is: 4,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.42 : 13,890.80 = 3,020.40 : x
  2. Step 2: Convert to fraction form
    9,260.42/13,890.80 = 3,020.40/x
  3. Step 3: Cross multiply
    9,260.42x = 13,890.80 × 3,020.40
  4. Step 4: Simplify right side
    9,260.42x = 41,955,772.32
  5. Step 5: Solve for x
    x = 41,955,772.32/9,260.42
  6. Step 6: Final answer
    x = 4,530.66

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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.