Home / 4,678.47-7,019.90-2,045.64

Finding the Fourth Proportional to 4,678.47, 7,019.90 and 2,045.64

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Solution

The fourth proportional to 4,678.47, 7,019.90 and 2,045.64 is: 3,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.47 : 7,019.90 = 2,045.64 : x
  2. Step 2: Convert to fraction form
    4,678.47/7,019.90 = 2,045.64/x
  3. Step 3: Cross multiply
    4,678.47x = 7,019.90 × 2,045.64
  4. Step 4: Simplify right side
    4,678.47x = 14,360,142.91
  5. Step 5: Solve for x
    x = 14,360,142.91/4,678.47
  6. Step 6: Final answer
    x = 3,069.41

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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.