Home / 4,308.58-6,463.48-1,386.20

Finding the Fourth Proportional to 4,308.58, 6,463.48 and 1,386.20

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Solution

The fourth proportional to 4,308.58, 6,463.48 and 1,386.20 is: 2,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.58 : 6,463.48 = 1,386.20 : x
  2. Step 2: Convert to fraction form
    4,308.58/6,463.48 = 1,386.20/x
  3. Step 3: Cross multiply
    4,308.58x = 6,463.48 × 1,386.20
  4. Step 4: Simplify right side
    4,308.58x = 8,959,688.67
  5. Step 5: Solve for x
    x = 8,959,688.67/4,308.58
  6. Step 6: Final answer
    x = 2,079.50

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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.