Home / 7,725.08-11,587.50-1,881.68

Finding the Fourth Proportional to 7,725.08, 11,587.50 and 1,881.68

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Solution

The fourth proportional to 7,725.08, 11,587.50 and 1,881.68 is: 2,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.08 : 11,587.50 = 1,881.68 : x
  2. Step 2: Convert to fraction form
    7,725.08/11,587.50 = 1,881.68/x
  3. Step 3: Cross multiply
    7,725.08x = 11,587.50 × 1,881.68
  4. Step 4: Simplify right side
    7,725.08x = 21,803,967
  5. Step 5: Solve for x
    x = 21,803,967/7,725.08
  6. Step 6: Final answer
    x = 2,822.49

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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.