Home / 8,923.52-12,314.46-5,386.64

Finding the Fourth Proportional to 8,923.52, 12,314.46 and 5,386.64

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Solution

The fourth proportional to 8,923.52, 12,314.46 and 5,386.64 is: 7,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.52 : 12,314.46 = 5,386.64 : x
  2. Step 2: Convert to fraction form
    8,923.52/12,314.46 = 5,386.64/x
  3. Step 3: Cross multiply
    8,923.52x = 12,314.46 × 5,386.64
  4. Step 4: Simplify right side
    8,923.52x = 66,333,562.81
  5. Step 5: Solve for x
    x = 66,333,562.81/8,923.52
  6. Step 6: Final answer
    x = 7,433.56

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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.