Home / 5,480.10-7,561.80-3,090.06

Finding the Fourth Proportional to 5,480.10, 7,561.80 and 3,090.06

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Solution

The fourth proportional to 5,480.10, 7,561.80 and 3,090.06 is: 4,263.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.10 : 7,561.80 = 3,090.06 : x
  2. Step 2: Convert to fraction form
    5,480.10/7,561.80 = 3,090.06/x
  3. Step 3: Cross multiply
    5,480.10x = 7,561.80 × 3,090.06
  4. Step 4: Simplify right side
    5,480.10x = 23,366,415.71
  5. Step 5: Solve for x
    x = 23,366,415.71/5,480.10
  6. Step 6: Final answer
    x = 4,263.87

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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.