Home / 4,541.63-6,808.76-1,420.02

Finding the Fourth Proportional to 4,541.63, 6,808.76 and 1,420.02

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Solution

The fourth proportional to 4,541.63, 6,808.76 and 1,420.02 is: 2,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,541.63 : 6,808.76 = 1,420.02 : x
  2. Step 2: Convert to fraction form
    4,541.63/6,808.76 = 1,420.02/x
  3. Step 3: Cross multiply
    4,541.63x = 6,808.76 × 1,420.02
  4. Step 4: Simplify right side
    4,541.63x = 9,668,592.40
  5. Step 5: Solve for x
    x = 9,668,592.40/4,541.63
  6. Step 6: Final answer
    x = 2,128.88

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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.