Home / 4,890.04-7,336.74-1,427.80

Finding the Fourth Proportional to 4,890.04, 7,336.74 and 1,427.80

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Solution

The fourth proportional to 4,890.04, 7,336.74 and 1,427.80 is: 2,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.04 : 7,336.74 = 1,427.80 : x
  2. Step 2: Convert to fraction form
    4,890.04/7,336.74 = 1,427.80/x
  3. Step 3: Cross multiply
    4,890.04x = 7,336.74 × 1,427.80
  4. Step 4: Simplify right side
    4,890.04x = 10,475,397.37
  5. Step 5: Solve for x
    x = 10,475,397.37/4,890.04
  6. Step 6: Final answer
    x = 2,142.19

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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.