Home / 7,420.50-11,125.89-6,011.10

Finding the Fourth Proportional to 7,420.50, 11,125.89 and 6,011.10

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Solution

The fourth proportional to 7,420.50, 11,125.89 and 6,011.10 is: 9,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.50 : 11,125.89 = 6,011.10 : x
  2. Step 2: Convert to fraction form
    7,420.50/11,125.89 = 6,011.10/x
  3. Step 3: Cross multiply
    7,420.50x = 11,125.89 × 6,011.10
  4. Step 4: Simplify right side
    7,420.50x = 66,878,837.38
  5. Step 5: Solve for x
    x = 66,878,837.38/7,420.50
  6. Step 6: Final answer
    x = 9,012.71

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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.