Home / 4,649.10-6,415.58-2,880.68

Finding the Fourth Proportional to 4,649.10, 6,415.58 and 2,880.68

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Solution

The fourth proportional to 4,649.10, 6,415.58 and 2,880.68 is: 3,975.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649.10 : 6,415.58 = 2,880.68 : x
  2. Step 2: Convert to fraction form
    4,649.10/6,415.58 = 2,880.68/x
  3. Step 3: Cross multiply
    4,649.10x = 6,415.58 × 2,880.68
  4. Step 4: Simplify right side
    4,649.10x = 18,481,186.51
  5. Step 5: Solve for x
    x = 18,481,186.51/4,649.10
  6. Step 6: Final answer
    x = 3,975.22

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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.