Home / 7,922.71-11,886.45-2,376.28

Finding the Fourth Proportional to 7,922.71, 11,886.45 and 2,376.28

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Solution

The fourth proportional to 7,922.71, 11,886.45 and 2,376.28 is: 3,565.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.71 : 11,886.45 = 2,376.28 : x
  2. Step 2: Convert to fraction form
    7,922.71/11,886.45 = 2,376.28/x
  3. Step 3: Cross multiply
    7,922.71x = 11,886.45 × 2,376.28
  4. Step 4: Simplify right side
    7,922.71x = 28,245,533.41
  5. Step 5: Solve for x
    x = 28,245,533.41/7,922.71
  6. Step 6: Final answer
    x = 3,565.14

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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.