Home / 4,760.25-7,140.68-1,297.50

Finding the Fourth Proportional to 4,760.25, 7,140.68 and 1,297.50

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Solution

The fourth proportional to 4,760.25, 7,140.68 and 1,297.50 is: 1,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.25 : 7,140.68 = 1,297.50 : x
  2. Step 2: Convert to fraction form
    4,760.25/7,140.68 = 1,297.50/x
  3. Step 3: Cross multiply
    4,760.25x = 7,140.68 × 1,297.50
  4. Step 4: Simplify right side
    4,760.25x = 9,265,025.81
  5. Step 5: Solve for x
    x = 9,265,025.81/4,760.25
  6. Step 6: Final answer
    x = 1,946.33

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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.