Home / 4,238.21-5,848.11-2,421.11

Finding the Fourth Proportional to 4,238.21, 5,848.11 and 2,421.11

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Solution

The fourth proportional to 4,238.21, 5,848.11 and 2,421.11 is: 3,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.21 : 5,848.11 = 2,421.11 : x
  2. Step 2: Convert to fraction form
    4,238.21/5,848.11 = 2,421.11/x
  3. Step 3: Cross multiply
    4,238.21x = 5,848.11 × 2,421.11
  4. Step 4: Simplify right side
    4,238.21x = 14,158,888.36
  5. Step 5: Solve for x
    x = 14,158,888.36/4,238.21
  6. Step 6: Final answer
    x = 3,340.77

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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.