Home / 5,211.47-7,817.89-1,700.24

Finding the Fourth Proportional to 5,211.47, 7,817.89 and 1,700.24

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Solution

The fourth proportional to 5,211.47, 7,817.89 and 1,700.24 is: 2,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.47 : 7,817.89 = 1,700.24 : x
  2. Step 2: Convert to fraction form
    5,211.47/7,817.89 = 1,700.24/x
  3. Step 3: Cross multiply
    5,211.47x = 7,817.89 × 1,700.24
  4. Step 4: Simplify right side
    5,211.47x = 13,292,289.29
  5. Step 5: Solve for x
    x = 13,292,289.29/5,211.47
  6. Step 6: Final answer
    x = 2,550.58

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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.