Home / 5,373.28-8,054.10-2,085.40

Finding the Fourth Proportional to 5,373.28, 8,054.10 and 2,085.40

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Solution

The fourth proportional to 5,373.28, 8,054.10 and 2,085.40 is: 3,125.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.28 : 8,054.10 = 2,085.40 : x
  2. Step 2: Convert to fraction form
    5,373.28/8,054.10 = 2,085.40/x
  3. Step 3: Cross multiply
    5,373.28x = 8,054.10 × 2,085.40
  4. Step 4: Simplify right side
    5,373.28x = 16,796,020.14
  5. Step 5: Solve for x
    x = 16,796,020.14/5,373.28
  6. Step 6: Final answer
    x = 3,125.84

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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.