Home / 9,317.46-12,853.58-5,781.81

Finding the Fourth Proportional to 9,317.46, 12,853.58 and 5,781.81

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Solution

The fourth proportional to 9,317.46, 12,853.58 and 5,781.81 is: 7,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.46 : 12,853.58 = 5,781.81 : x
  2. Step 2: Convert to fraction form
    9,317.46/12,853.58 = 5,781.81/x
  3. Step 3: Cross multiply
    9,317.46x = 12,853.58 × 5,781.81
  4. Step 4: Simplify right side
    9,317.46x = 74,316,928.47
  5. Step 5: Solve for x
    x = 74,316,928.47/9,317.46
  6. Step 6: Final answer
    x = 7,976.09

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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.