Home / 5,220.21-7,829.46-1,710.17

Finding the Fourth Proportional to 5,220.21, 7,829.46 and 1,710.17

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Solution

The fourth proportional to 5,220.21, 7,829.46 and 1,710.17 is: 2,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.21 : 7,829.46 = 1,710.17 : x
  2. Step 2: Convert to fraction form
    5,220.21/7,829.46 = 1,710.17/x
  3. Step 3: Cross multiply
    5,220.21x = 7,829.46 × 1,710.17
  4. Step 4: Simplify right side
    5,220.21x = 13,389,668.46
  5. Step 5: Solve for x
    x = 13,389,668.46/5,220.21
  6. Step 6: Final answer
    x = 2,564.97

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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.