Home / 5,020.24-6,931.10-3,228.55

Finding the Fourth Proportional to 5,020.24, 6,931.10 and 3,228.55

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Solution

The fourth proportional to 5,020.24, 6,931.10 and 3,228.55 is: 4,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.24 : 6,931.10 = 3,228.55 : x
  2. Step 2: Convert to fraction form
    5,020.24/6,931.10 = 3,228.55/x
  3. Step 3: Cross multiply
    5,020.24x = 6,931.10 × 3,228.55
  4. Step 4: Simplify right side
    5,020.24x = 22,377,393.65
  5. Step 5: Solve for x
    x = 22,377,393.65/5,020.24
  6. Step 6: Final answer
    x = 4,457.44

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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.