Home / 4,678.84-7,020.66-2,946.52

Finding the Fourth Proportional to 4,678.84, 7,020.66 and 2,946.52

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Solution

The fourth proportional to 4,678.84, 7,020.66 and 2,946.52 is: 4,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.84 : 7,020.66 = 2,946.52 : x
  2. Step 2: Convert to fraction form
    4,678.84/7,020.66 = 2,946.52/x
  3. Step 3: Cross multiply
    4,678.84x = 7,020.66 × 2,946.52
  4. Step 4: Simplify right side
    4,678.84x = 20,686,515.10
  5. Step 5: Solve for x
    x = 20,686,515.10/4,678.84
  6. Step 6: Final answer
    x = 4,421.29

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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.