Home / 4,281.81-6,423.30-2,089.02

Finding the Fourth Proportional to 4,281.81, 6,423.30 and 2,089.02

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Solution

The fourth proportional to 4,281.81, 6,423.30 and 2,089.02 is: 3,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.81 : 6,423.30 = 2,089.02 : x
  2. Step 2: Convert to fraction form
    4,281.81/6,423.30 = 2,089.02/x
  3. Step 3: Cross multiply
    4,281.81x = 6,423.30 × 2,089.02
  4. Step 4: Simplify right side
    4,281.81x = 13,418,402.17
  5. Step 5: Solve for x
    x = 13,418,402.17/4,281.81
  6. Step 6: Final answer
    x = 3,133.82

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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.