Home / 5,370.05-7,410.63-2,980.00

Finding the Fourth Proportional to 5,370.05, 7,410.63 and 2,980.00

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Solution

The fourth proportional to 5,370.05, 7,410.63 and 2,980.00 is: 4,112.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.05 : 7,410.63 = 2,980.00 : x
  2. Step 2: Convert to fraction form
    5,370.05/7,410.63 = 2,980.00/x
  3. Step 3: Cross multiply
    5,370.05x = 7,410.63 × 2,980.00
  4. Step 4: Simplify right side
    5,370.05x = 22,083,639.39
  5. Step 5: Solve for x
    x = 22,083,639.39/5,370.05
  6. Step 6: Final answer
    x = 4,112.37

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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.