Home / 4,890.60-7,333.62-1,427.16

Finding the Fourth Proportional to 4,890.60, 7,333.62 and 1,427.16

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Solution

The fourth proportional to 4,890.60, 7,333.62 and 1,427.16 is: 2,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.60 : 7,333.62 = 1,427.16 : x
  2. Step 2: Convert to fraction form
    4,890.60/7,333.62 = 1,427.16/x
  3. Step 3: Cross multiply
    4,890.60x = 7,333.62 × 1,427.16
  4. Step 4: Simplify right side
    4,890.60x = 10,466,249.12
  5. Step 5: Solve for x
    x = 10,466,249.12/4,890.60
  6. Step 6: Final answer
    x = 2,140.07

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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.