Home / 4,858.80-6,703.40-3,090.80

Finding the Fourth Proportional to 4,858.80, 6,703.40 and 3,090.80

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Solution

The fourth proportional to 4,858.80, 6,703.40 and 3,090.80 is: 4,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.80 : 6,703.40 = 3,090.80 : x
  2. Step 2: Convert to fraction form
    4,858.80/6,703.40 = 3,090.80/x
  3. Step 3: Cross multiply
    4,858.80x = 6,703.40 × 3,090.80
  4. Step 4: Simplify right side
    4,858.80x = 20,718,868.72
  5. Step 5: Solve for x
    x = 20,718,868.72/4,858.80
  6. Step 6: Final answer
    x = 4,264.19

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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.