Home / 4,541.48-6,812-1,421.46

Finding the Fourth Proportional to 4,541.48, 6,812 and 1,421.46

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Solution

The fourth proportional to 4,541.48, 6,812 and 1,421.46 is: 2,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,541.48 : 6,812 = 1,421.46 : x
  2. Step 2: Convert to fraction form
    4,541.48/6,812 = 1,421.46/x
  3. Step 3: Cross multiply
    4,541.48x = 6,812 × 1,421.46
  4. Step 4: Simplify right side
    4,541.48x = 9,682,985.52
  5. Step 5: Solve for x
    x = 9,682,985.52/4,541.48
  6. Step 6: Final answer
    x = 2,132.12

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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.