Home / 7,009.20-10,513.71-1,814.67

Finding the Fourth Proportional to 7,009.20, 10,513.71 and 1,814.67

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Solution

The fourth proportional to 7,009.20, 10,513.71 and 1,814.67 is: 2,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.20 : 10,513.71 = 1,814.67 : x
  2. Step 2: Convert to fraction form
    7,009.20/10,513.71 = 1,814.67/x
  3. Step 3: Cross multiply
    7,009.20x = 10,513.71 × 1,814.67
  4. Step 4: Simplify right side
    7,009.20x = 19,078,914.13
  5. Step 5: Solve for x
    x = 19,078,914.13/7,009.20
  6. Step 6: Final answer
    x = 2,721.98

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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.