Home / 6,140.79-8,475.36-3,622.74

Finding the Fourth Proportional to 6,140.79, 8,475.36 and 3,622.74

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Solution

The fourth proportional to 6,140.79, 8,475.36 and 3,622.74 is: 5,000.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.79 : 8,475.36 = 3,622.74 : x
  2. Step 2: Convert to fraction form
    6,140.79/8,475.36 = 3,622.74/x
  3. Step 3: Cross multiply
    6,140.79x = 8,475.36 × 3,622.74
  4. Step 4: Simplify right side
    6,140.79x = 30,704,025.69
  5. Step 5: Solve for x
    x = 30,704,025.69/6,140.79
  6. Step 6: Final answer
    x = 5,000.01

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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.