Home / 5,723.98-7,905.49-4,835.21

Finding the Fourth Proportional to 5,723.98, 7,905.49 and 4,835.21

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Solution

The fourth proportional to 5,723.98, 7,905.49 and 4,835.21 is: 6,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.98 : 7,905.49 = 4,835.21 : x
  2. Step 2: Convert to fraction form
    5,723.98/7,905.49 = 4,835.21/x
  3. Step 3: Cross multiply
    5,723.98x = 7,905.49 × 4,835.21
  4. Step 4: Simplify right side
    5,723.98x = 38,224,743.88
  5. Step 5: Solve for x
    x = 38,224,743.88/5,723.98
  6. Step 6: Final answer
    x = 6,678.01

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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.