Home / 4,284.69-6,428-1,511.56

Finding the Fourth Proportional to 4,284.69, 6,428 and 1,511.56

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Solution

The fourth proportional to 4,284.69, 6,428 and 1,511.56 is: 2,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.69 : 6,428 = 1,511.56 : x
  2. Step 2: Convert to fraction form
    4,284.69/6,428 = 1,511.56/x
  3. Step 3: Cross multiply
    4,284.69x = 6,428 × 1,511.56
  4. Step 4: Simplify right side
    4,284.69x = 9,716,307.68
  5. Step 5: Solve for x
    x = 9,716,307.68/4,284.69
  6. Step 6: Final answer
    x = 2,267.68

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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.