Home / 6,638.48-9,954.96-2,477.84

Finding the Fourth Proportional to 6,638.48, 9,954.96 and 2,477.84

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Solution

The fourth proportional to 6,638.48, 9,954.96 and 2,477.84 is: 3,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.48 : 9,954.96 = 2,477.84 : x
  2. Step 2: Convert to fraction form
    6,638.48/9,954.96 = 2,477.84/x
  3. Step 3: Cross multiply
    6,638.48x = 9,954.96 × 2,477.84
  4. Step 4: Simplify right side
    6,638.48x = 24,666,798.09
  5. Step 5: Solve for x
    x = 24,666,798.09/6,638.48
  6. Step 6: Final answer
    x = 3,715.73

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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.