Home / 6,075.60-8,384.50-3,422.86

Finding the Fourth Proportional to 6,075.60, 8,384.50 and 3,422.86

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Solution

The fourth proportional to 6,075.60, 8,384.50 and 3,422.86 is: 4,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,075.60 : 8,384.50 = 3,422.86 : x
  2. Step 2: Convert to fraction form
    6,075.60/8,384.50 = 3,422.86/x
  3. Step 3: Cross multiply
    6,075.60x = 8,384.50 × 3,422.86
  4. Step 4: Simplify right side
    6,075.60x = 28,698,969.67
  5. Step 5: Solve for x
    x = 28,698,969.67/6,075.60
  6. Step 6: Final answer
    x = 4,723.64

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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.