Home / 7,487.55-10,346.49-6,410.62

Finding the Fourth Proportional to 7,487.55, 10,346.49 and 6,410.62

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Solution

The fourth proportional to 7,487.55, 10,346.49 and 6,410.62 is: 8,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.55 : 10,346.49 = 6,410.62 : x
  2. Step 2: Convert to fraction form
    7,487.55/10,346.49 = 6,410.62/x
  3. Step 3: Cross multiply
    7,487.55x = 10,346.49 × 6,410.62
  4. Step 4: Simplify right side
    7,487.55x = 66,327,412.03
  5. Step 5: Solve for x
    x = 66,327,412.03/7,487.55
  6. Step 6: Final answer
    x = 8,858.36

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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.