Home / 4,673.70-7,010.55-1,387.94

Finding the Fourth Proportional to 4,673.70, 7,010.55 and 1,387.94

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Solution

The fourth proportional to 4,673.70, 7,010.55 and 1,387.94 is: 2,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.70 : 7,010.55 = 1,387.94 : x
  2. Step 2: Convert to fraction form
    4,673.70/7,010.55 = 1,387.94/x
  3. Step 3: Cross multiply
    4,673.70x = 7,010.55 × 1,387.94
  4. Step 4: Simplify right side
    4,673.70x = 9,730,187.71
  5. Step 5: Solve for x
    x = 9,730,187.71/4,673.70
  6. Step 6: Final answer
    x = 2,081.90

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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.