Home / 7,984.96-11,019.72-4,626.70

Finding the Fourth Proportional to 7,984.96, 11,019.72 and 4,626.70

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Solution

The fourth proportional to 7,984.96, 11,019.72 and 4,626.70 is: 6,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.96 : 11,019.72 = 4,626.70 : x
  2. Step 2: Convert to fraction form
    7,984.96/11,019.72 = 4,626.70/x
  3. Step 3: Cross multiply
    7,984.96x = 11,019.72 × 4,626.70
  4. Step 4: Simplify right side
    7,984.96x = 50,984,938.52
  5. Step 5: Solve for x
    x = 50,984,938.52/7,984.96
  6. Step 6: Final answer
    x = 6,385.12

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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.