Home / 4,585.32-6,880.32-1,988.28

Finding the Fourth Proportional to 4,585.32, 6,880.32 and 1,988.28

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Solution

The fourth proportional to 4,585.32, 6,880.32 and 1,988.28 is: 2,983.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,585.32 : 6,880.32 = 1,988.28 : x
  2. Step 2: Convert to fraction form
    4,585.32/6,880.32 = 1,988.28/x
  3. Step 3: Cross multiply
    4,585.32x = 6,880.32 × 1,988.28
  4. Step 4: Simplify right side
    4,585.32x = 13,680,002.65
  5. Step 5: Solve for x
    x = 13,680,002.65/4,585.32
  6. Step 6: Final answer
    x = 2,983.43

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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.