Home / 5,214.20-7,820.36-2,094.08

Finding the Fourth Proportional to 5,214.20, 7,820.36 and 2,094.08

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Solution

The fourth proportional to 5,214.20, 7,820.36 and 2,094.08 is: 3,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.20 : 7,820.36 = 2,094.08 : x
  2. Step 2: Convert to fraction form
    5,214.20/7,820.36 = 2,094.08/x
  3. Step 3: Cross multiply
    5,214.20x = 7,820.36 × 2,094.08
  4. Step 4: Simplify right side
    5,214.20x = 16,376,476.40
  5. Step 5: Solve for x
    x = 16,376,476.40/5,214.20
  6. Step 6: Final answer
    x = 3,140.74

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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.