Home / 4,228.80-6,343.38-1,307.16

Finding the Fourth Proportional to 4,228.80, 6,343.38 and 1,307.16

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Solution

The fourth proportional to 4,228.80, 6,343.38 and 1,307.16 is: 1,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.80 : 6,343.38 = 1,307.16 : x
  2. Step 2: Convert to fraction form
    4,228.80/6,343.38 = 1,307.16/x
  3. Step 3: Cross multiply
    4,228.80x = 6,343.38 × 1,307.16
  4. Step 4: Simplify right side
    4,228.80x = 8,291,812.60
  5. Step 5: Solve for x
    x = 8,291,812.60/4,228.80
  6. Step 6: Final answer
    x = 1,960.80

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1.5x scale

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.