Home / 5,214.38-7,821.56-1,751.63

Finding the Fourth Proportional to 5,214.38, 7,821.56 and 1,751.63

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Solution

The fourth proportional to 5,214.38, 7,821.56 and 1,751.63 is: 2,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.38 : 7,821.56 = 1,751.63 : x
  2. Step 2: Convert to fraction form
    5,214.38/7,821.56 = 1,751.63/x
  3. Step 3: Cross multiply
    5,214.38x = 7,821.56 × 1,751.63
  4. Step 4: Simplify right side
    5,214.38x = 13,700,444.41
  5. Step 5: Solve for x
    x = 13,700,444.41/5,214.38
  6. Step 6: Final answer
    x = 2,627.44

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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.