Home / 4,501.78-6,753.06-1,214.80

Finding the Fourth Proportional to 4,501.78, 6,753.06 and 1,214.80

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Solution

The fourth proportional to 4,501.78, 6,753.06 and 1,214.80 is: 1,822.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,501.78 : 6,753.06 = 1,214.80 : x
  2. Step 2: Convert to fraction form
    4,501.78/6,753.06 = 1,214.80/x
  3. Step 3: Cross multiply
    4,501.78x = 6,753.06 × 1,214.80
  4. Step 4: Simplify right side
    4,501.78x = 8,203,617.29
  5. Step 5: Solve for x
    x = 8,203,617.29/4,501.78
  6. Step 6: Final answer
    x = 1,822.31

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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.