Home / 7,009.20-10,511.64-2,328.21

Finding the Fourth Proportional to 7,009.20, 10,511.64 and 2,328.21

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Solution

The fourth proportional to 7,009.20, 10,511.64 and 2,328.21 is: 3,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.20 : 10,511.64 = 2,328.21 : x
  2. Step 2: Convert to fraction form
    7,009.20/10,511.64 = 2,328.21/x
  3. Step 3: Cross multiply
    7,009.20x = 10,511.64 × 2,328.21
  4. Step 4: Simplify right side
    7,009.20x = 24,473,305.36
  5. Step 5: Solve for x
    x = 24,473,305.36/7,009.20
  6. Step 6: Final answer
    x = 3,491.60

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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.