Home / 4,308.98-6,463.41-1,387.30

Finding the Fourth Proportional to 4,308.98, 6,463.41 and 1,387.30

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Solution

The fourth proportional to 4,308.98, 6,463.41 and 1,387.30 is: 2,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.98 : 6,463.41 = 1,387.30 : x
  2. Step 2: Convert to fraction form
    4,308.98/6,463.41 = 1,387.30/x
  3. Step 3: Cross multiply
    4,308.98x = 6,463.41 × 1,387.30
  4. Step 4: Simplify right side
    4,308.98x = 8,966,688.69
  5. Step 5: Solve for x
    x = 8,966,688.69/4,308.98
  6. Step 6: Final answer
    x = 2,080.93

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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.