Home / 5,018.65-6,925.64-2,780.52

Finding the Fourth Proportional to 5,018.65, 6,925.64 and 2,780.52

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Solution

The fourth proportional to 5,018.65, 6,925.64 and 2,780.52 is: 3,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.65 : 6,925.64 = 2,780.52 : x
  2. Step 2: Convert to fraction form
    5,018.65/6,925.64 = 2,780.52/x
  3. Step 3: Cross multiply
    5,018.65x = 6,925.64 × 2,780.52
  4. Step 4: Simplify right side
    5,018.65x = 19,256,852.86
  5. Step 5: Solve for x
    x = 19,256,852.86/5,018.65
  6. Step 6: Final answer
    x = 3,837.06

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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.