Home / 5,281.23-7,921.02-2,359.02

Finding the Fourth Proportional to 5,281.23, 7,921.02 and 2,359.02

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Solution

The fourth proportional to 5,281.23, 7,921.02 and 2,359.02 is: 3,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.23 : 7,921.02 = 2,359.02 : x
  2. Step 2: Convert to fraction form
    5,281.23/7,921.02 = 2,359.02/x
  3. Step 3: Cross multiply
    5,281.23x = 7,921.02 × 2,359.02
  4. Step 4: Simplify right side
    5,281.23x = 18,685,844.60
  5. Step 5: Solve for x
    x = 18,685,844.60/5,281.23
  6. Step 6: Final answer
    x = 3,538.16

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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.