Home / 7,421.10-11,124.09-4,133.58

Finding the Fourth Proportional to 7,421.10, 11,124.09 and 4,133.58

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Solution

The fourth proportional to 7,421.10, 11,124.09 and 4,133.58 is: 6,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.10 : 11,124.09 = 4,133.58 : x
  2. Step 2: Convert to fraction form
    7,421.10/11,124.09 = 4,133.58/x
  3. Step 3: Cross multiply
    7,421.10x = 11,124.09 × 4,133.58
  4. Step 4: Simplify right side
    7,421.10x = 45,982,315.94
  5. Step 5: Solve for x
    x = 45,982,315.94/7,421.10
  6. Step 6: Final answer
    x = 6,196.16

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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.