Home / 5,424.04-7,482.81-3,181.96

Finding the Fourth Proportional to 5,424.04, 7,482.81 and 3,181.96

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Solution

The fourth proportional to 5,424.04, 7,482.81 and 3,181.96 is: 4,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.04 : 7,482.81 = 3,181.96 : x
  2. Step 2: Convert to fraction form
    5,424.04/7,482.81 = 3,181.96/x
  3. Step 3: Cross multiply
    5,424.04x = 7,482.81 × 3,181.96
  4. Step 4: Simplify right side
    5,424.04x = 23,810,002.11
  5. Step 5: Solve for x
    x = 23,810,002.11/5,424.04
  6. Step 6: Final answer
    x = 4,389.72

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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.