Home / 6,939.48-10,410.66-5,316.60

Finding the Fourth Proportional to 6,939.48, 10,410.66 and 5,316.60

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Solution

The fourth proportional to 6,939.48, 10,410.66 and 5,316.60 is: 7,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.48 : 10,410.66 = 5,316.60 : x
  2. Step 2: Convert to fraction form
    6,939.48/10,410.66 = 5,316.60/x
  3. Step 3: Cross multiply
    6,939.48x = 10,410.66 × 5,316.60
  4. Step 4: Simplify right side
    6,939.48x = 55,349,314.96
  5. Step 5: Solve for x
    x = 55,349,314.96/6,939.48
  6. Step 6: Final answer
    x = 7,976.00

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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.