Home / 5,055-6,973.46-3,140.98

Finding the Fourth Proportional to 5,055, 6,973.46 and 3,140.98

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Solution

The fourth proportional to 5,055, 6,973.46 and 3,140.98 is: 4,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055 : 6,973.46 = 3,140.98 : x
  2. Step 2: Convert to fraction form
    5,055/6,973.46 = 3,140.98/x
  3. Step 3: Cross multiply
    5,055x = 6,973.46 × 3,140.98
  4. Step 4: Simplify right side
    5,055x = 21,903,498.39
  5. Step 5: Solve for x
    x = 21,903,498.39/5,055
  6. Step 6: Final answer
    x = 4,333.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.