Home / 4,840.88-6,681.81-3,139.34

Finding the Fourth Proportional to 4,840.88, 6,681.81 and 3,139.34

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Solution

The fourth proportional to 4,840.88, 6,681.81 and 3,139.34 is: 4,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.88 : 6,681.81 = 3,139.34 : x
  2. Step 2: Convert to fraction form
    4,840.88/6,681.81 = 3,139.34/x
  3. Step 3: Cross multiply
    4,840.88x = 6,681.81 × 3,139.34
  4. Step 4: Simplify right side
    4,840.88x = 20,976,440.00
  5. Step 5: Solve for x
    x = 20,976,440.00/4,840.88
  6. Step 6: Final answer
    x = 4,333.19

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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.