Home / 5,643.90-8,466.80-2,086.23

Finding the Fourth Proportional to 5,643.90, 8,466.80 and 2,086.23

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Solution

The fourth proportional to 5,643.90, 8,466.80 and 2,086.23 is: 3,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.90 : 8,466.80 = 2,086.23 : x
  2. Step 2: Convert to fraction form
    5,643.90/8,466.80 = 2,086.23/x
  3. Step 3: Cross multiply
    5,643.90x = 8,466.80 × 2,086.23
  4. Step 4: Simplify right side
    5,643.90x = 17,663,692.16
  5. Step 5: Solve for x
    x = 17,663,692.16/5,643.90
  6. Step 6: Final answer
    x = 3,129.70

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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.