Home / 4,230.10-6,343.26-1,308.70

Finding the Fourth Proportional to 4,230.10, 6,343.26 and 1,308.70

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Solution

The fourth proportional to 4,230.10, 6,343.26 and 1,308.70 is: 1,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.10 : 6,343.26 = 1,308.70 : x
  2. Step 2: Convert to fraction form
    4,230.10/6,343.26 = 1,308.70/x
  3. Step 3: Cross multiply
    4,230.10x = 6,343.26 × 1,308.70
  4. Step 4: Simplify right side
    4,230.10x = 8,301,424.36
  5. Step 5: Solve for x
    x = 8,301,424.36/4,230.10
  6. Step 6: Final answer
    x = 1,962.47

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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.