Home / 7,777.84-11,666.77-2,583.72

Finding the Fourth Proportional to 7,777.84, 11,666.77 and 2,583.72

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Solution

The fourth proportional to 7,777.84, 11,666.77 and 2,583.72 is: 3,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.84 : 11,666.77 = 2,583.72 : x
  2. Step 2: Convert to fraction form
    7,777.84/11,666.77 = 2,583.72/x
  3. Step 3: Cross multiply
    7,777.84x = 11,666.77 × 2,583.72
  4. Step 4: Simplify right side
    7,777.84x = 30,143,666.98
  5. Step 5: Solve for x
    x = 30,143,666.98/7,777.84
  6. Step 6: Final answer
    x = 3,875.58

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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.