Home / 4,219.52-6,328.63-1,445.55

Finding the Fourth Proportional to 4,219.52, 6,328.63 and 1,445.55

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Solution

The fourth proportional to 4,219.52, 6,328.63 and 1,445.55 is: 2,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.52 : 6,328.63 = 1,445.55 : x
  2. Step 2: Convert to fraction form
    4,219.52/6,328.63 = 1,445.55/x
  3. Step 3: Cross multiply
    4,219.52x = 6,328.63 × 1,445.55
  4. Step 4: Simplify right side
    4,219.52x = 9,148,351.10
  5. Step 5: Solve for x
    x = 9,148,351.10/4,219.52
  6. Step 6: Final answer
    x = 2,168.10

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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.