Home / 7,331.08-10,118.10-4,971.64

Finding the Fourth Proportional to 7,331.08, 10,118.10 and 4,971.64

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Solution

The fourth proportional to 7,331.08, 10,118.10 and 4,971.64 is: 6,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.08 : 10,118.10 = 4,971.64 : x
  2. Step 2: Convert to fraction form
    7,331.08/10,118.10 = 4,971.64/x
  3. Step 3: Cross multiply
    7,331.08x = 10,118.10 × 4,971.64
  4. Step 4: Simplify right side
    7,331.08x = 50,303,550.68
  5. Step 5: Solve for x
    x = 50,303,550.68/7,331.08
  6. Step 6: Final answer
    x = 6,861.68

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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.