Home / 4,814.88-7,219.71-2,215.50

Finding the Fourth Proportional to 4,814.88, 7,219.71 and 2,215.50

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Solution

The fourth proportional to 4,814.88, 7,219.71 and 2,215.50 is: 3,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.88 : 7,219.71 = 2,215.50 : x
  2. Step 2: Convert to fraction form
    4,814.88/7,219.71 = 2,215.50/x
  3. Step 3: Cross multiply
    4,814.88x = 7,219.71 × 2,215.50
  4. Step 4: Simplify right side
    4,814.88x = 15,995,267.51
  5. Step 5: Solve for x
    x = 15,995,267.51/4,814.88
  6. Step 6: Final answer
    x = 3,322.05

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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.