Home / 4,308.28-6,462.42-1,188.30

Finding the Fourth Proportional to 4,308.28, 6,462.42 and 1,188.30

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Solution

The fourth proportional to 4,308.28, 6,462.42 and 1,188.30 is: 1,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.28 : 6,462.42 = 1,188.30 : x
  2. Step 2: Convert to fraction form
    4,308.28/6,462.42 = 1,188.30/x
  3. Step 3: Cross multiply
    4,308.28x = 6,462.42 × 1,188.30
  4. Step 4: Simplify right side
    4,308.28x = 7,679,293.69
  5. Step 5: Solve for x
    x = 7,679,293.69/4,308.28
  6. Step 6: Final answer
    x = 1,782.45

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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.