Home / 7,673.80-10,589.55-4,270.78

Finding the Fourth Proportional to 7,673.80, 10,589.55 and 4,270.78

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Solution

The fourth proportional to 7,673.80, 10,589.55 and 4,270.78 is: 5,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.80 : 10,589.55 = 4,270.78 : x
  2. Step 2: Convert to fraction form
    7,673.80/10,589.55 = 4,270.78/x
  3. Step 3: Cross multiply
    7,673.80x = 10,589.55 × 4,270.78
  4. Step 4: Simplify right side
    7,673.80x = 45,225,638.35
  5. Step 5: Solve for x
    x = 45,225,638.35/7,673.80
  6. Step 6: Final answer
    x = 5,893.51

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1.5x scale

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.