Home / 9,698.28-14,547.36-2,772.78

Finding the Fourth Proportional to 9,698.28, 14,547.36 and 2,772.78

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Solution

The fourth proportional to 9,698.28, 14,547.36 and 2,772.78 is: 4,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,698.28 : 14,547.36 = 2,772.78 : x
  2. Step 2: Convert to fraction form
    9,698.28/14,547.36 = 2,772.78/x
  3. Step 3: Cross multiply
    9,698.28x = 14,547.36 × 2,772.78
  4. Step 4: Simplify right side
    9,698.28x = 40,336,628.86
  5. Step 5: Solve for x
    x = 40,336,628.86/9,698.28
  6. Step 6: Final answer
    x = 4,159.15

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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.