Home / 7,987.32-11,022.66-4,630.14

Finding the Fourth Proportional to 7,987.32, 11,022.66 and 4,630.14

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Solution

The fourth proportional to 7,987.32, 11,022.66 and 4,630.14 is: 6,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.32 : 11,022.66 = 4,630.14 : x
  2. Step 2: Convert to fraction form
    7,987.32/11,022.66 = 4,630.14/x
  3. Step 3: Cross multiply
    7,987.32x = 11,022.66 × 4,630.14
  4. Step 4: Simplify right side
    7,987.32x = 51,036,458.97
  5. Step 5: Solve for x
    x = 51,036,458.97/7,987.32
  6. Step 6: Final answer
    x = 6,389.69

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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.