Home / 7,968.86-10,999.34-5,316.26

Finding the Fourth Proportional to 7,968.86, 10,999.34 and 5,316.26

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Solution

The fourth proportional to 7,968.86, 10,999.34 and 5,316.26 is: 7,337.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.86 : 10,999.34 = 5,316.26 : x
  2. Step 2: Convert to fraction form
    7,968.86/10,999.34 = 5,316.26/x
  3. Step 3: Cross multiply
    7,968.86x = 10,999.34 × 5,316.26
  4. Step 4: Simplify right side
    7,968.86x = 58,475,330.87
  5. Step 5: Solve for x
    x = 58,475,330.87/7,968.86
  6. Step 6: Final answer
    x = 7,337.98

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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.