Home / 4,319.21-6,477.80-3,655.01

Finding the Fourth Proportional to 4,319.21, 6,477.80 and 3,655.01

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Solution

The fourth proportional to 4,319.21, 6,477.80 and 3,655.01 is: 5,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.21 : 6,477.80 = 3,655.01 : x
  2. Step 2: Convert to fraction form
    4,319.21/6,477.80 = 3,655.01/x
  3. Step 3: Cross multiply
    4,319.21x = 6,477.80 × 3,655.01
  4. Step 4: Simplify right side
    4,319.21x = 23,676,373.11
  5. Step 5: Solve for x
    x = 23,676,373.11/4,319.21
  6. Step 6: Final answer
    x = 5,481.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.