Home / 5,210.26-7,813.58-1,511.50

Finding the Fourth Proportional to 5,210.26, 7,813.58 and 1,511.50

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Solution

The fourth proportional to 5,210.26, 7,813.58 and 1,511.50 is: 2,266.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.26 : 7,813.58 = 1,511.50 : x
  2. Step 2: Convert to fraction form
    5,210.26/7,813.58 = 1,511.50/x
  3. Step 3: Cross multiply
    5,210.26x = 7,813.58 × 1,511.50
  4. Step 4: Simplify right side
    5,210.26x = 11,810,226.17
  5. Step 5: Solve for x
    x = 11,810,226.17/5,210.26
  6. Step 6: Final answer
    x = 2,266.72

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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.