Home / 7,054.48-10,581.90-2,124.28

Finding the Fourth Proportional to 7,054.48, 10,581.90 and 2,124.28

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Solution

The fourth proportional to 7,054.48, 10,581.90 and 2,124.28 is: 3,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.48 : 10,581.90 = 2,124.28 : x
  2. Step 2: Convert to fraction form
    7,054.48/10,581.90 = 2,124.28/x
  3. Step 3: Cross multiply
    7,054.48x = 10,581.90 × 2,124.28
  4. Step 4: Simplify right side
    7,054.48x = 22,478,918.53
  5. Step 5: Solve for x
    x = 22,478,918.53/7,054.48
  6. Step 6: Final answer
    x = 3,186.47

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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.