Home / 7,984.88-11,018.29-4,628.74

Finding the Fourth Proportional to 7,984.88, 11,018.29 and 4,628.74

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Solution

The fourth proportional to 7,984.88, 11,018.29 and 4,628.74 is: 6,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.88 : 11,018.29 = 4,628.74 : x
  2. Step 2: Convert to fraction form
    7,984.88/11,018.29 = 4,628.74/x
  3. Step 3: Cross multiply
    7,984.88x = 11,018.29 × 4,628.74
  4. Step 4: Simplify right side
    7,984.88x = 51,000,799.65
  5. Step 5: Solve for x
    x = 51,000,799.65/7,984.88
  6. Step 6: Final answer
    x = 6,387.17

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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.