Home / 4,113.40-6,170.64-1,340.50

Finding the Fourth Proportional to 4,113.40, 6,170.64 and 1,340.50

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Solution

The fourth proportional to 4,113.40, 6,170.64 and 1,340.50 is: 2,010.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.40 : 6,170.64 = 1,340.50 : x
  2. Step 2: Convert to fraction form
    4,113.40/6,170.64 = 1,340.50/x
  3. Step 3: Cross multiply
    4,113.40x = 6,170.64 × 1,340.50
  4. Step 4: Simplify right side
    4,113.40x = 8,271,742.92
  5. Step 5: Solve for x
    x = 8,271,742.92/4,113.40
  6. Step 6: Final answer
    x = 2,010.93

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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.