Home / 9,439.93-13,027.79-5,248.81

Finding the Fourth Proportional to 9,439.93, 13,027.79 and 5,248.81

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Solution

The fourth proportional to 9,439.93, 13,027.79 and 5,248.81 is: 7,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.93 : 13,027.79 = 5,248.81 : x
  2. Step 2: Convert to fraction form
    9,439.93/13,027.79 = 5,248.81/x
  3. Step 3: Cross multiply
    9,439.93x = 13,027.79 × 5,248.81
  4. Step 4: Simplify right side
    9,439.93x = 68,380,368.19
  5. Step 5: Solve for x
    x = 68,380,368.19/9,439.93
  6. Step 6: Final answer
    x = 7,243.74

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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.