Home / 7,971.24-10,997.34-4,985.94

Finding the Fourth Proportional to 7,971.24, 10,997.34 and 4,985.94

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Solution

The fourth proportional to 7,971.24, 10,997.34 and 4,985.94 is: 6,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.24 : 10,997.34 = 4,985.94 : x
  2. Step 2: Convert to fraction form
    7,971.24/10,997.34 = 4,985.94/x
  3. Step 3: Cross multiply
    7,971.24x = 10,997.34 × 4,985.94
  4. Step 4: Simplify right side
    7,971.24x = 54,832,077.40
  5. Step 5: Solve for x
    x = 54,832,077.40/7,971.24
  6. Step 6: Final answer
    x = 6,878.74

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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.