Home / 9,001.11-13,499.21-4,619.82

Finding the Fourth Proportional to 9,001.11, 13,499.21 and 4,619.82

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Solution

The fourth proportional to 9,001.11, 13,499.21 and 4,619.82 is: 6,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.11 : 13,499.21 = 4,619.82 : x
  2. Step 2: Convert to fraction form
    9,001.11/13,499.21 = 4,619.82/x
  3. Step 3: Cross multiply
    9,001.11x = 13,499.21 × 4,619.82
  4. Step 4: Simplify right side
    9,001.11x = 62,363,897.24
  5. Step 5: Solve for x
    x = 62,363,897.24/9,001.11
  6. Step 6: Final answer
    x = 6,928.47

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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.