Home / 5,448.12-7,518.48-3,090.16

Finding the Fourth Proportional to 5,448.12, 7,518.48 and 3,090.16

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Solution

The fourth proportional to 5,448.12, 7,518.48 and 3,090.16 is: 4,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.12 : 7,518.48 = 3,090.16 : x
  2. Step 2: Convert to fraction form
    5,448.12/7,518.48 = 3,090.16/x
  3. Step 3: Cross multiply
    5,448.12x = 7,518.48 × 3,090.16
  4. Step 4: Simplify right side
    5,448.12x = 23,233,306.16
  5. Step 5: Solve for x
    x = 23,233,306.16/5,448.12
  6. Step 6: Final answer
    x = 4,264.46

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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.