Home / 7,019.27-9,688.11-4,786.47

Finding the Fourth Proportional to 7,019.27, 9,688.11 and 4,786.47

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Solution

The fourth proportional to 7,019.27, 9,688.11 and 4,786.47 is: 6,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.27 : 9,688.11 = 4,786.47 : x
  2. Step 2: Convert to fraction form
    7,019.27/9,688.11 = 4,786.47/x
  3. Step 3: Cross multiply
    7,019.27x = 9,688.11 × 4,786.47
  4. Step 4: Simplify right side
    7,019.27x = 46,371,829.92
  5. Step 5: Solve for x
    x = 46,371,829.92/7,019.27
  6. Step 6: Final answer
    x = 6,606.36

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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.