Home / 4,284.90-6,423.49-1,511.08

Finding the Fourth Proportional to 4,284.90, 6,423.49 and 1,511.08

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Solution

The fourth proportional to 4,284.90, 6,423.49 and 1,511.08 is: 2,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.90 : 6,423.49 = 1,511.08 : x
  2. Step 2: Convert to fraction form
    4,284.90/6,423.49 = 1,511.08/x
  3. Step 3: Cross multiply
    4,284.90x = 6,423.49 × 1,511.08
  4. Step 4: Simplify right side
    4,284.90x = 9,706,433.48
  5. Step 5: Solve for x
    x = 9,706,433.48/4,284.90
  6. Step 6: Final answer
    x = 2,265.26

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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.