Home / 7,736.64-10,676.48-4,379.40

Finding the Fourth Proportional to 7,736.64, 10,676.48 and 4,379.40

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Solution

The fourth proportional to 7,736.64, 10,676.48 and 4,379.40 is: 6,043.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.64 : 10,676.48 = 4,379.40 : x
  2. Step 2: Convert to fraction form
    7,736.64/10,676.48 = 4,379.40/x
  3. Step 3: Cross multiply
    7,736.64x = 10,676.48 × 4,379.40
  4. Step 4: Simplify right side
    7,736.64x = 46,756,576.51
  5. Step 5: Solve for x
    x = 46,756,576.51/7,736.64
  6. Step 6: Final answer
    x = 6,043.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.