Home / 5,038.81-6,953.50-2,800.63

Finding the Fourth Proportional to 5,038.81, 6,953.50 and 2,800.63

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Solution

The fourth proportional to 5,038.81, 6,953.50 and 2,800.63 is: 3,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.81 : 6,953.50 = 2,800.63 : x
  2. Step 2: Convert to fraction form
    5,038.81/6,953.50 = 2,800.63/x
  3. Step 3: Cross multiply
    5,038.81x = 6,953.50 × 2,800.63
  4. Step 4: Simplify right side
    5,038.81x = 19,474,138.03
  5. Step 5: Solve for x
    x = 19,474,138.03/5,038.81
  6. Step 6: Final answer
    x = 3,864.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.