Home / 7,436.62-11,137.34-6,457.40

Finding the Fourth Proportional to 7,436.62, 11,137.34 and 6,457.40

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Solution

The fourth proportional to 7,436.62, 11,137.34 and 6,457.40 is: 9,670.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.62 : 11,137.34 = 6,457.40 : x
  2. Step 2: Convert to fraction form
    7,436.62/11,137.34 = 6,457.40/x
  3. Step 3: Cross multiply
    7,436.62x = 11,137.34 × 6,457.40
  4. Step 4: Simplify right side
    7,436.62x = 71,918,259.32
  5. Step 5: Solve for x
    x = 71,918,259.32/7,436.62
  6. Step 6: Final answer
    x = 9,670.83

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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.