Home / 5,723.84-7,899.20-3,485.36

Finding the Fourth Proportional to 5,723.84, 7,899.20 and 3,485.36

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Solution

The fourth proportional to 5,723.84, 7,899.20 and 3,485.36 is: 4,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.84 : 7,899.20 = 3,485.36 : x
  2. Step 2: Convert to fraction form
    5,723.84/7,899.20 = 3,485.36/x
  3. Step 3: Cross multiply
    5,723.84x = 7,899.20 × 3,485.36
  4. Step 4: Simplify right side
    5,723.84x = 27,531,555.71
  5. Step 5: Solve for x
    x = 27,531,555.71/5,723.84
  6. Step 6: Final answer
    x = 4,809.98

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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.