Home / 5,430.58-8,149.98-3,763.77

Finding the Fourth Proportional to 5,430.58, 8,149.98 and 3,763.77

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Solution

The fourth proportional to 5,430.58, 8,149.98 and 3,763.77 is: 5,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.58 : 8,149.98 = 3,763.77 : x
  2. Step 2: Convert to fraction form
    5,430.58/8,149.98 = 3,763.77/x
  3. Step 3: Cross multiply
    5,430.58x = 8,149.98 × 3,763.77
  4. Step 4: Simplify right side
    5,430.58x = 30,674,633.78
  5. Step 5: Solve for x
    x = 30,674,633.78/5,430.58
  6. Step 6: Final answer
    x = 5,648.50

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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.