Home / 4,640.11-6,960.40-1,353.45

Finding the Fourth Proportional to 4,640.11, 6,960.40 and 1,353.45

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Solution

The fourth proportional to 4,640.11, 6,960.40 and 1,353.45 is: 2,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.11 : 6,960.40 = 1,353.45 : x
  2. Step 2: Convert to fraction form
    4,640.11/6,960.40 = 1,353.45/x
  3. Step 3: Cross multiply
    4,640.11x = 6,960.40 × 1,353.45
  4. Step 4: Simplify right side
    4,640.11x = 9,420,536.95
  5. Step 5: Solve for x
    x = 9,420,536.95/4,640.11
  6. Step 6: Final answer
    x = 2,030.24

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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.