Home / 5,019.81-7,521.48-2,242.32

Finding the Fourth Proportional to 5,019.81, 7,521.48 and 2,242.32

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Solution

The fourth proportional to 5,019.81, 7,521.48 and 2,242.32 is: 3,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.81 : 7,521.48 = 2,242.32 : x
  2. Step 2: Convert to fraction form
    5,019.81/7,521.48 = 2,242.32/x
  3. Step 3: Cross multiply
    5,019.81x = 7,521.48 × 2,242.32
  4. Step 4: Simplify right side
    5,019.81x = 16,865,565.03
  5. Step 5: Solve for x
    x = 16,865,565.03/5,019.81
  6. Step 6: Final answer
    x = 3,359.80

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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.