Home / 9,365.93-12,927.75-5,389.84

Finding the Fourth Proportional to 9,365.93, 12,927.75 and 5,389.84

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Solution

The fourth proportional to 9,365.93, 12,927.75 and 5,389.84 is: 7,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.93 : 12,927.75 = 5,389.84 : x
  2. Step 2: Convert to fraction form
    9,365.93/12,927.75 = 5,389.84/x
  3. Step 3: Cross multiply
    9,365.93x = 12,927.75 × 5,389.84
  4. Step 4: Simplify right side
    9,365.93x = 69,678,530.33
  5. Step 5: Solve for x
    x = 69,678,530.33/9,365.93
  6. Step 6: Final answer
    x = 7,439.58

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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.