Home / 7,020.68-9,688.83-4,037.45

Finding the Fourth Proportional to 7,020.68, 9,688.83 and 4,037.45

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Solution

The fourth proportional to 7,020.68, 9,688.83 and 4,037.45 is: 5,571.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.68 : 9,688.83 = 4,037.45 : x
  2. Step 2: Convert to fraction form
    7,020.68/9,688.83 = 4,037.45/x
  3. Step 3: Cross multiply
    7,020.68x = 9,688.83 × 4,037.45
  4. Step 4: Simplify right side
    7,020.68x = 39,118,166.68
  5. Step 5: Solve for x
    x = 39,118,166.68/7,020.68
  6. Step 6: Final answer
    x = 5,571.85

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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.