Home / 5,405.13-7,460.48-3,521.41

Finding the Fourth Proportional to 5,405.13, 7,460.48 and 3,521.41

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Solution

The fourth proportional to 5,405.13, 7,460.48 and 3,521.41 is: 4,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.13 : 7,460.48 = 3,521.41 : x
  2. Step 2: Convert to fraction form
    5,405.13/7,460.48 = 3,521.41/x
  3. Step 3: Cross multiply
    5,405.13x = 7,460.48 × 3,521.41
  4. Step 4: Simplify right side
    5,405.13x = 26,271,408.88
  5. Step 5: Solve for x
    x = 26,271,408.88/5,405.13
  6. Step 6: Final answer
    x = 4,860.46

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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.