Home / 7,840.36-11,759.32-2,292.40

Finding the Fourth Proportional to 7,840.36, 11,759.32 and 2,292.40

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Solution

The fourth proportional to 7,840.36, 11,759.32 and 2,292.40 is: 3,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.36 : 11,759.32 = 2,292.40 : x
  2. Step 2: Convert to fraction form
    7,840.36/11,759.32 = 2,292.40/x
  3. Step 3: Cross multiply
    7,840.36x = 11,759.32 × 2,292.40
  4. Step 4: Simplify right side
    7,840.36x = 26,956,994.91
  5. Step 5: Solve for x
    x = 26,956,994.91/7,840.36
  6. Step 6: Final answer
    x = 3,438.24

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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.