Home / 7,376.60-10,180.86-5,287.64

Finding the Fourth Proportional to 7,376.60, 10,180.86 and 5,287.64

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Solution

The fourth proportional to 7,376.60, 10,180.86 and 5,287.64 is: 7,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.60 : 10,180.86 = 5,287.64 : x
  2. Step 2: Convert to fraction form
    7,376.60/10,180.86 = 5,287.64/x
  3. Step 3: Cross multiply
    7,376.60x = 10,180.86 × 5,287.64
  4. Step 4: Simplify right side
    7,376.60x = 53,832,722.57
  5. Step 5: Solve for x
    x = 53,832,722.57/7,376.60
  6. Step 6: Final answer
    x = 7,297.77

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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.