Home / 8,223.08-11,349.96-5,077.46

Finding the Fourth Proportional to 8,223.08, 11,349.96 and 5,077.46

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Solution

The fourth proportional to 8,223.08, 11,349.96 and 5,077.46 is: 7,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.08 : 11,349.96 = 5,077.46 : x
  2. Step 2: Convert to fraction form
    8,223.08/11,349.96 = 5,077.46/x
  3. Step 3: Cross multiply
    8,223.08x = 11,349.96 × 5,077.46
  4. Step 4: Simplify right side
    8,223.08x = 57,628,967.90
  5. Step 5: Solve for x
    x = 57,628,967.90/8,223.08
  6. Step 6: Final answer
    x = 7,008.20

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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.