Home / 7,020.64-9,673.71-4,778.56

Finding the Fourth Proportional to 7,020.64, 9,673.71 and 4,778.56

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Solution

The fourth proportional to 7,020.64, 9,673.71 and 4,778.56 is: 6,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.64 : 9,673.71 = 4,778.56 : x
  2. Step 2: Convert to fraction form
    7,020.64/9,673.71 = 4,778.56/x
  3. Step 3: Cross multiply
    7,020.64x = 9,673.71 × 4,778.56
  4. Step 4: Simplify right side
    7,020.64x = 46,226,355.29
  5. Step 5: Solve for x
    x = 46,226,355.29/7,020.64
  6. Step 6: Final answer
    x = 6,584.36

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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.