Home / 7,791.24-11,686.56-5,308.32

Finding the Fourth Proportional to 7,791.24, 11,686.56 and 5,308.32

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Solution

The fourth proportional to 7,791.24, 11,686.56 and 5,308.32 is: 7,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.24 : 11,686.56 = 5,308.32 : x
  2. Step 2: Convert to fraction form
    7,791.24/11,686.56 = 5,308.32/x
  3. Step 3: Cross multiply
    7,791.24x = 11,686.56 × 5,308.32
  4. Step 4: Simplify right side
    7,791.24x = 62,036,000.18
  5. Step 5: Solve for x
    x = 62,036,000.18/7,791.24
  6. Step 6: Final answer
    x = 7,962.28

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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.