Home / 4,254.03-6,378.30-1,480.50

Finding the Fourth Proportional to 4,254.03, 6,378.30 and 1,480.50

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Solution

The fourth proportional to 4,254.03, 6,378.30 and 1,480.50 is: 2,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.03 : 6,378.30 = 1,480.50 : x
  2. Step 2: Convert to fraction form
    4,254.03/6,378.30 = 1,480.50/x
  3. Step 3: Cross multiply
    4,254.03x = 6,378.30 × 1,480.50
  4. Step 4: Simplify right side
    4,254.03x = 9,443,073.15
  5. Step 5: Solve for x
    x = 9,443,073.15/4,254.03
  6. Step 6: Final answer
    x = 2,219.79

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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.