Home / 7,987.13-11,022.24-4,631.89

Finding the Fourth Proportional to 7,987.13, 11,022.24 and 4,631.89

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Solution

The fourth proportional to 7,987.13, 11,022.24 and 4,631.89 is: 6,392.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987.13 : 11,022.24 = 4,631.89 : x
  2. Step 2: Convert to fraction form
    7,987.13/11,022.24 = 4,631.89/x
  3. Step 3: Cross multiply
    7,987.13x = 11,022.24 × 4,631.89
  4. Step 4: Simplify right side
    7,987.13x = 51,053,813.71
  5. Step 5: Solve for x
    x = 51,053,813.71/7,987.13
  6. Step 6: Final answer
    x = 6,392.01

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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.