Home / 8,071.74-11,123.60-6,952.32

Finding the Fourth Proportional to 8,071.74, 11,123.60 and 6,952.32

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Solution

The fourth proportional to 8,071.74, 11,123.60 and 6,952.32 is: 9,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.74 : 11,123.60 = 6,952.32 : x
  2. Step 2: Convert to fraction form
    8,071.74/11,123.60 = 6,952.32/x
  3. Step 3: Cross multiply
    8,071.74x = 11,123.60 × 6,952.32
  4. Step 4: Simplify right side
    8,071.74x = 77,334,791.99
  5. Step 5: Solve for x
    x = 77,334,791.99/8,071.74
  6. Step 6: Final answer
    x = 9,580.93

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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.