Home / 9,316.25-12,853.28-5,282.64

Finding the Fourth Proportional to 9,316.25, 12,853.28 and 5,282.64

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Solution

The fourth proportional to 9,316.25, 12,853.28 and 5,282.64 is: 7,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.25 : 12,853.28 = 5,282.64 : x
  2. Step 2: Convert to fraction form
    9,316.25/12,853.28 = 5,282.64/x
  3. Step 3: Cross multiply
    9,316.25x = 12,853.28 × 5,282.64
  4. Step 4: Simplify right side
    9,316.25x = 67,899,224.65
  5. Step 5: Solve for x
    x = 67,899,224.65/9,316.25
  6. Step 6: Final answer
    x = 7,288.26

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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.