Home / 6,621.32-9,970.46-4,784.96

Finding the Fourth Proportional to 6,621.32, 9,970.46 and 4,784.96

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Solution

The fourth proportional to 6,621.32, 9,970.46 and 4,784.96 is: 7,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.32 : 9,970.46 = 4,784.96 : x
  2. Step 2: Convert to fraction form
    6,621.32/9,970.46 = 4,784.96/x
  3. Step 3: Cross multiply
    6,621.32x = 9,970.46 × 4,784.96
  4. Step 4: Simplify right side
    6,621.32x = 47,708,252.28
  5. Step 5: Solve for x
    x = 47,708,252.28/6,621.32
  6. Step 6: Final answer
    x = 7,205.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.