Home / 4,676.24-7,015.68-1,389.47

Finding the Fourth Proportional to 4,676.24, 7,015.68 and 1,389.47

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Solution

The fourth proportional to 4,676.24, 7,015.68 and 1,389.47 is: 2,084.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.24 : 7,015.68 = 1,389.47 : x
  2. Step 2: Convert to fraction form
    4,676.24/7,015.68 = 1,389.47/x
  3. Step 3: Cross multiply
    4,676.24x = 7,015.68 × 1,389.47
  4. Step 4: Simplify right side
    4,676.24x = 9,748,041.81
  5. Step 5: Solve for x
    x = 9,748,041.81/4,676.24
  6. Step 6: Final answer
    x = 2,084.59

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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.