Home / 4,606.31-6,909.45-1,319.41

Finding the Fourth Proportional to 4,606.31, 6,909.45 and 1,319.41

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Solution

The fourth proportional to 4,606.31, 6,909.45 and 1,319.41 is: 1,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,606.31 : 6,909.45 = 1,319.41 : x
  2. Step 2: Convert to fraction form
    4,606.31/6,909.45 = 1,319.41/x
  3. Step 3: Cross multiply
    4,606.31x = 6,909.45 × 1,319.41
  4. Step 4: Simplify right side
    4,606.31x = 9,116,397.42
  5. Step 5: Solve for x
    x = 9,116,397.42/4,606.31
  6. Step 6: Final answer
    x = 1,979.11

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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.