Home / 7,421.16-11,124.42-3,263.40

Finding the Fourth Proportional to 7,421.16, 11,124.42 and 3,263.40

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Solution

The fourth proportional to 7,421.16, 11,124.42 and 3,263.40 is: 4,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.16 : 11,124.42 = 3,263.40 : x
  2. Step 2: Convert to fraction form
    7,421.16/11,124.42 = 3,263.40/x
  3. Step 3: Cross multiply
    7,421.16x = 11,124.42 × 3,263.40
  4. Step 4: Simplify right side
    7,421.16x = 36,303,432.23
  5. Step 5: Solve for x
    x = 36,303,432.23/7,421.16
  6. Step 6: Final answer
    x = 4,891.88

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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.