Home / 8,750.03-13,125.09-3,818.45

Finding the Fourth Proportional to 8,750.03, 13,125.09 and 3,818.45

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Solution

The fourth proportional to 8,750.03, 13,125.09 and 3,818.45 is: 5,727.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.03 : 13,125.09 = 3,818.45 : x
  2. Step 2: Convert to fraction form
    8,750.03/13,125.09 = 3,818.45/x
  3. Step 3: Cross multiply
    8,750.03x = 13,125.09 × 3,818.45
  4. Step 4: Simplify right side
    8,750.03x = 50,117,499.91
  5. Step 5: Solve for x
    x = 50,117,499.91/8,750.03
  6. Step 6: Final answer
    x = 5,727.69

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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.