Home / 4,614.58-6,921.87-1,326.91

Finding the Fourth Proportional to 4,614.58, 6,921.87 and 1,326.91

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Solution

The fourth proportional to 4,614.58, 6,921.87 and 1,326.91 is: 1,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.58 : 6,921.87 = 1,326.91 : x
  2. Step 2: Convert to fraction form
    4,614.58/6,921.87 = 1,326.91/x
  3. Step 3: Cross multiply
    4,614.58x = 6,921.87 × 1,326.91
  4. Step 4: Simplify right side
    4,614.58x = 9,184,663.91
  5. Step 5: Solve for x
    x = 9,184,663.91/4,614.58
  6. Step 6: Final answer
    x = 1,990.36

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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.