Home / 4,515.23-6,772.85-1,228.35

Finding the Fourth Proportional to 4,515.23, 6,772.85 and 1,228.35

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Solution

The fourth proportional to 4,515.23, 6,772.85 and 1,228.35 is: 1,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.23 : 6,772.85 = 1,228.35 : x
  2. Step 2: Convert to fraction form
    4,515.23/6,772.85 = 1,228.35/x
  3. Step 3: Cross multiply
    4,515.23x = 6,772.85 × 1,228.35
  4. Step 4: Simplify right side
    4,515.23x = 8,319,424.16
  5. Step 5: Solve for x
    x = 8,319,424.16/4,515.23
  6. Step 6: Final answer
    x = 1,842.53

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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.