Home / 7,767.16-11,650.44-1,923.64

Finding the Fourth Proportional to 7,767.16, 11,650.44 and 1,923.64

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Solution

The fourth proportional to 7,767.16, 11,650.44 and 1,923.64 is: 2,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.16 : 11,650.44 = 1,923.64 : x
  2. Step 2: Convert to fraction form
    7,767.16/11,650.44 = 1,923.64/x
  3. Step 3: Cross multiply
    7,767.16x = 11,650.44 × 1,923.64
  4. Step 4: Simplify right side
    7,767.16x = 22,411,252.40
  5. Step 5: Solve for x
    x = 22,411,252.40/7,767.16
  6. Step 6: Final answer
    x = 2,885.39

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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.