Home / 5,172.84-7,758.45-1,710.09

Finding the Fourth Proportional to 5,172.84, 7,758.45 and 1,710.09

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Solution

The fourth proportional to 5,172.84, 7,758.45 and 1,710.09 is: 2,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.84 : 7,758.45 = 1,710.09 : x
  2. Step 2: Convert to fraction form
    5,172.84/7,758.45 = 1,710.09/x
  3. Step 3: Cross multiply
    5,172.84x = 7,758.45 × 1,710.09
  4. Step 4: Simplify right side
    5,172.84x = 13,267,647.76
  5. Step 5: Solve for x
    x = 13,267,647.76/5,172.84
  6. Step 6: Final answer
    x = 2,564.87

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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.