Home / 5,421.82-7,482.63-3,297.19

Finding the Fourth Proportional to 5,421.82, 7,482.63 and 3,297.19

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Solution

The fourth proportional to 5,421.82, 7,482.63 and 3,297.19 is: 4,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.82 : 7,482.63 = 3,297.19 : x
  2. Step 2: Convert to fraction form
    5,421.82/7,482.63 = 3,297.19/x
  3. Step 3: Cross multiply
    5,421.82x = 7,482.63 × 3,297.19
  4. Step 4: Simplify right side
    5,421.82x = 24,671,652.81
  5. Step 5: Solve for x
    x = 24,671,652.81/5,421.82
  6. Step 6: Final answer
    x = 4,550.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.