Home / 4,673.69-7,011.23-1,386.39

Finding the Fourth Proportional to 4,673.69, 7,011.23 and 1,386.39

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Solution

The fourth proportional to 4,673.69, 7,011.23 and 1,386.39 is: 2,079.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.69 : 7,011.23 = 1,386.39 : x
  2. Step 2: Convert to fraction form
    4,673.69/7,011.23 = 1,386.39/x
  3. Step 3: Cross multiply
    4,673.69x = 7,011.23 × 1,386.39
  4. Step 4: Simplify right side
    4,673.69x = 9,720,292.23
  5. Step 5: Solve for x
    x = 9,720,292.23/4,673.69
  6. Step 6: Final answer
    x = 2,079.79

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1.5x scale

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.