Home / 5,878.71-8,112.08-3,488.27

Finding the Fourth Proportional to 5,878.71, 8,112.08 and 3,488.27

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Solution

The fourth proportional to 5,878.71, 8,112.08 and 3,488.27 is: 4,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.71 : 8,112.08 = 3,488.27 : x
  2. Step 2: Convert to fraction form
    5,878.71/8,112.08 = 3,488.27/x
  3. Step 3: Cross multiply
    5,878.71x = 8,112.08 × 3,488.27
  4. Step 4: Simplify right side
    5,878.71x = 28,297,075.76
  5. Step 5: Solve for x
    x = 28,297,075.76/5,878.71
  6. Step 6: Final answer
    x = 4,813.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.