Home / 4,439.65-6,127.78-2,670.91

Finding the Fourth Proportional to 4,439.65, 6,127.78 and 2,670.91

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Solution

The fourth proportional to 4,439.65, 6,127.78 and 2,670.91 is: 3,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.65 : 6,127.78 = 2,670.91 : x
  2. Step 2: Convert to fraction form
    4,439.65/6,127.78 = 2,670.91/x
  3. Step 3: Cross multiply
    4,439.65x = 6,127.78 × 2,670.91
  4. Step 4: Simplify right side
    4,439.65x = 16,366,718.24
  5. Step 5: Solve for x
    x = 16,366,718.24/4,439.65
  6. Step 6: Final answer
    x = 3,686.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.