Home / 4,427.63-6,642.32-1,307.69

Finding the Fourth Proportional to 4,427.63, 6,642.32 and 1,307.69

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Solution

The fourth proportional to 4,427.63, 6,642.32 and 1,307.69 is: 1,961.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.63 : 6,642.32 = 1,307.69 : x
  2. Step 2: Convert to fraction form
    4,427.63/6,642.32 = 1,307.69/x
  3. Step 3: Cross multiply
    4,427.63x = 6,642.32 × 1,307.69
  4. Step 4: Simplify right side
    4,427.63x = 8,686,055.69
  5. Step 5: Solve for x
    x = 8,686,055.69/4,427.63
  6. Step 6: Final answer
    x = 1,961.79

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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.