Home / 7,818.71-11,698.65-5,483.28

Finding the Fourth Proportional to 7,818.71, 11,698.65 and 5,483.28

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Solution

The fourth proportional to 7,818.71, 11,698.65 and 5,483.28 is: 8,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.71 : 11,698.65 = 5,483.28 : x
  2. Step 2: Convert to fraction form
    7,818.71/11,698.65 = 5,483.28/x
  3. Step 3: Cross multiply
    7,818.71x = 11,698.65 × 5,483.28
  4. Step 4: Simplify right side
    7,818.71x = 64,146,907.68
  5. Step 5: Solve for x
    x = 64,146,907.68/7,818.71
  6. Step 6: Final answer
    x = 8,204.28

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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.