Home / 7,653.65-11,479.40-2,387.44

Finding the Fourth Proportional to 7,653.65, 11,479.40 and 2,387.44

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Solution

The fourth proportional to 7,653.65, 11,479.40 and 2,387.44 is: 3,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.65 : 11,479.40 = 2,387.44 : x
  2. Step 2: Convert to fraction form
    7,653.65/11,479.40 = 2,387.44/x
  3. Step 3: Cross multiply
    7,653.65x = 11,479.40 × 2,387.44
  4. Step 4: Simplify right side
    7,653.65x = 27,406,347.05
  5. Step 5: Solve for x
    x = 27,406,347.05/7,653.65
  6. Step 6: Final answer
    x = 3,580.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.