Home / 5,020.90-6,929.28-2,783.48

Finding the Fourth Proportional to 5,020.90, 6,929.28 and 2,783.48

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Solution

The fourth proportional to 5,020.90, 6,929.28 and 2,783.48 is: 3,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.90 : 6,929.28 = 2,783.48 : x
  2. Step 2: Convert to fraction form
    5,020.90/6,929.28 = 2,783.48/x
  3. Step 3: Cross multiply
    5,020.90x = 6,929.28 × 2,783.48
  4. Step 4: Simplify right side
    5,020.90x = 19,287,516.63
  5. Step 5: Solve for x
    x = 19,287,516.63/5,020.90
  6. Step 6: Final answer
    x = 3,841.44

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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.