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Finding the Fourth Proportional to 9,368.07, 12,927.54 and 5,119.03

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Solution

The fourth proportional to 9,368.07, 12,927.54 and 5,119.03 is: 7,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.07 : 12,927.54 = 5,119.03 : x
  2. Step 2: Convert to fraction form
    9,368.07/12,927.54 = 5,119.03/x
  3. Step 3: Cross multiply
    9,368.07x = 12,927.54 × 5,119.03
  4. Step 4: Simplify right side
    9,368.07x = 66,176,465.09
  5. Step 5: Solve for x
    x = 66,176,465.09/9,368.07
  6. Step 6: Final answer
    x = 7,064.04

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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.