Home / 4,640.08-6,960.82-1,353.40

Finding the Fourth Proportional to 4,640.08, 6,960.82 and 1,353.40

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Solution

The fourth proportional to 4,640.08, 6,960.82 and 1,353.40 is: 2,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.08 : 6,960.82 = 1,353.40 : x
  2. Step 2: Convert to fraction form
    4,640.08/6,960.82 = 1,353.40/x
  3. Step 3: Cross multiply
    4,640.08x = 6,960.82 × 1,353.40
  4. Step 4: Simplify right side
    4,640.08x = 9,420,773.79
  5. Step 5: Solve for x
    x = 9,420,773.79/4,640.08
  6. Step 6: Final answer
    x = 2,030.30

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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.