Home / 5,388.19-8,071.08-3,540.18

Finding the Fourth Proportional to 5,388.19, 8,071.08 and 3,540.18

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Solution

The fourth proportional to 5,388.19, 8,071.08 and 3,540.18 is: 5,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.19 : 8,071.08 = 3,540.18 : x
  2. Step 2: Convert to fraction form
    5,388.19/8,071.08 = 3,540.18/x
  3. Step 3: Cross multiply
    5,388.19x = 8,071.08 × 3,540.18
  4. Step 4: Simplify right side
    5,388.19x = 28,573,075.99
  5. Step 5: Solve for x
    x = 28,573,075.99/5,388.19
  6. Step 6: Final answer
    x = 5,302.91

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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.