Home / 4,437.12-6,656.64-1,317.36

Finding the Fourth Proportional to 4,437.12, 6,656.64 and 1,317.36

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Solution

The fourth proportional to 4,437.12, 6,656.64 and 1,317.36 is: 1,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.12 : 6,656.64 = 1,317.36 : x
  2. Step 2: Convert to fraction form
    4,437.12/6,656.64 = 1,317.36/x
  3. Step 3: Cross multiply
    4,437.12x = 6,656.64 × 1,317.36
  4. Step 4: Simplify right side
    4,437.12x = 8,769,191.27
  5. Step 5: Solve for x
    x = 8,769,191.27/4,437.12
  6. Step 6: Final answer
    x = 1,976.33

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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.