Home / 7,977.07-11,961.61-4,646.45

Finding the Fourth Proportional to 7,977.07, 11,961.61 and 4,646.45

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Solution

The fourth proportional to 7,977.07, 11,961.61 and 4,646.45 is: 6,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.07 : 11,961.61 = 4,646.45 : x
  2. Step 2: Convert to fraction form
    7,977.07/11,961.61 = 4,646.45/x
  3. Step 3: Cross multiply
    7,977.07x = 11,961.61 × 4,646.45
  4. Step 4: Simplify right side
    7,977.07x = 55,579,067.21
  5. Step 5: Solve for x
    x = 55,579,067.21/7,977.07
  6. Step 6: Final answer
    x = 6,967.35

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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.