Home / 7,135.46-9,849.21-5,011.50

Finding the Fourth Proportional to 7,135.46, 9,849.21 and 5,011.50

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Solution

The fourth proportional to 7,135.46, 9,849.21 and 5,011.50 is: 6,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.46 : 9,849.21 = 5,011.50 : x
  2. Step 2: Convert to fraction form
    7,135.46/9,849.21 = 5,011.50/x
  3. Step 3: Cross multiply
    7,135.46x = 9,849.21 × 5,011.50
  4. Step 4: Simplify right side
    7,135.46x = 49,359,315.92
  5. Step 5: Solve for x
    x = 49,359,315.92/7,135.46
  6. Step 6: Final answer
    x = 6,917.47

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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.