Home / 9,816.56-14,724.96-2,891.20

Finding the Fourth Proportional to 9,816.56, 14,724.96 and 2,891.20

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Solution

The fourth proportional to 9,816.56, 14,724.96 and 2,891.20 is: 4,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.56 : 14,724.96 = 2,891.20 : x
  2. Step 2: Convert to fraction form
    9,816.56/14,724.96 = 2,891.20/x
  3. Step 3: Cross multiply
    9,816.56x = 14,724.96 × 2,891.20
  4. Step 4: Simplify right side
    9,816.56x = 42,572,804.35
  5. Step 5: Solve for x
    x = 42,572,804.35/9,816.56
  6. Step 6: Final answer
    x = 4,336.84

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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.