Home / 8,720.37-13,079.15-2,393.77

Finding the Fourth Proportional to 8,720.37, 13,079.15 and 2,393.77

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Solution

The fourth proportional to 8,720.37, 13,079.15 and 2,393.77 is: 3,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.37 : 13,079.15 = 2,393.77 : x
  2. Step 2: Convert to fraction form
    8,720.37/13,079.15 = 2,393.77/x
  3. Step 3: Cross multiply
    8,720.37x = 13,079.15 × 2,393.77
  4. Step 4: Simplify right side
    8,720.37x = 31,308,441.21
  5. Step 5: Solve for x
    x = 31,308,441.21/8,720.37
  6. Step 6: Final answer
    x = 3,590.27

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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.