Home / 4,316.88-6,469.84-2,756.40

Finding the Fourth Proportional to 4,316.88, 6,469.84 and 2,756.40

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Solution

The fourth proportional to 4,316.88, 6,469.84 and 2,756.40 is: 4,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.88 : 6,469.84 = 2,756.40 : x
  2. Step 2: Convert to fraction form
    4,316.88/6,469.84 = 2,756.40/x
  3. Step 3: Cross multiply
    4,316.88x = 6,469.84 × 2,756.40
  4. Step 4: Simplify right side
    4,316.88x = 17,833,466.98
  5. Step 5: Solve for x
    x = 17,833,466.98/4,316.88
  6. Step 6: Final answer
    x = 4,131.10

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1.5x scale

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.