Home / 9,456.80-13,050.28-5,207.78

Finding the Fourth Proportional to 9,456.80, 13,050.28 and 5,207.78

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Solution

The fourth proportional to 9,456.80, 13,050.28 and 5,207.78 is: 7,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,456.80 : 13,050.28 = 5,207.78 : x
  2. Step 2: Convert to fraction form
    9,456.80/13,050.28 = 5,207.78/x
  3. Step 3: Cross multiply
    9,456.80x = 13,050.28 × 5,207.78
  4. Step 4: Simplify right side
    9,456.80x = 67,962,908.91
  5. Step 5: Solve for x
    x = 67,962,908.91/9,456.80
  6. Step 6: Final answer
    x = 7,186.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.