Home / 5,675.48-8,513.21-1,780.19

Finding the Fourth Proportional to 5,675.48, 8,513.21 and 1,780.19

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Solution

The fourth proportional to 5,675.48, 8,513.21 and 1,780.19 is: 2,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.48 : 8,513.21 = 1,780.19 : x
  2. Step 2: Convert to fraction form
    5,675.48/8,513.21 = 1,780.19/x
  3. Step 3: Cross multiply
    5,675.48x = 8,513.21 × 1,780.19
  4. Step 4: Simplify right side
    5,675.48x = 15,155,131.31
  5. Step 5: Solve for x
    x = 15,155,131.31/5,675.48
  6. Step 6: Final answer
    x = 2,670.28

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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.