Home / 7,877.63-11,815.06-2,946.24

Finding the Fourth Proportional to 7,877.63, 11,815.06 and 2,946.24

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Solution

The fourth proportional to 7,877.63, 11,815.06 and 2,946.24 is: 4,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.63 : 11,815.06 = 2,946.24 : x
  2. Step 2: Convert to fraction form
    7,877.63/11,815.06 = 2,946.24/x
  3. Step 3: Cross multiply
    7,877.63x = 11,815.06 × 2,946.24
  4. Step 4: Simplify right side
    7,877.63x = 34,809,987.64
  5. Step 5: Solve for x
    x = 34,809,987.64/7,877.63
  6. Step 6: Final answer
    x = 4,418.84

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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.