Home / 7,727.53-10,666.05-4,744.57

Finding the Fourth Proportional to 7,727.53, 10,666.05 and 4,744.57

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Solution

The fourth proportional to 7,727.53, 10,666.05 and 4,744.57 is: 6,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.53 : 10,666.05 = 4,744.57 : x
  2. Step 2: Convert to fraction form
    7,727.53/10,666.05 = 4,744.57/x
  3. Step 3: Cross multiply
    7,727.53x = 10,666.05 × 4,744.57
  4. Step 4: Simplify right side
    7,727.53x = 50,605,820.85
  5. Step 5: Solve for x
    x = 50,605,820.85/7,727.53
  6. Step 6: Final answer
    x = 6,548.77

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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.