Home / 5,185.04-7,156.46-3,416.80

Finding the Fourth Proportional to 5,185.04, 7,156.46 and 3,416.80

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Solution

The fourth proportional to 5,185.04, 7,156.46 and 3,416.80 is: 4,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.04 : 7,156.46 = 3,416.80 : x
  2. Step 2: Convert to fraction form
    5,185.04/7,156.46 = 3,416.80/x
  3. Step 3: Cross multiply
    5,185.04x = 7,156.46 × 3,416.80
  4. Step 4: Simplify right side
    5,185.04x = 24,452,192.53
  5. Step 5: Solve for x
    x = 24,452,192.53/5,185.04
  6. Step 6: Final answer
    x = 4,715.91

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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.