Home / 5,020.65-6,919.85-3,339.06

Finding the Fourth Proportional to 5,020.65, 6,919.85 and 3,339.06

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Solution

The fourth proportional to 5,020.65, 6,919.85 and 3,339.06 is: 4,602.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.65 : 6,919.85 = 3,339.06 : x
  2. Step 2: Convert to fraction form
    5,020.65/6,919.85 = 3,339.06/x
  3. Step 3: Cross multiply
    5,020.65x = 6,919.85 × 3,339.06
  4. Step 4: Simplify right side
    5,020.65x = 23,105,794.34
  5. Step 5: Solve for x
    x = 23,105,794.34/5,020.65
  6. Step 6: Final answer
    x = 4,602.15

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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.