Home / 4,885.23-7,328.93-1,422.75

Finding the Fourth Proportional to 4,885.23, 7,328.93 and 1,422.75

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Solution

The fourth proportional to 4,885.23, 7,328.93 and 1,422.75 is: 2,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.23 : 7,328.93 = 1,422.75 : x
  2. Step 2: Convert to fraction form
    4,885.23/7,328.93 = 1,422.75/x
  3. Step 3: Cross multiply
    4,885.23x = 7,328.93 × 1,422.75
  4. Step 4: Simplify right side
    4,885.23x = 10,427,228.04
  5. Step 5: Solve for x
    x = 10,427,228.04/4,885.23
  6. Step 6: Final answer
    x = 2,134.44

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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.