Home / 8,019.94-11,065.65-4,660.78

Finding the Fourth Proportional to 8,019.94, 11,065.65 and 4,660.78

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Solution

The fourth proportional to 8,019.94, 11,065.65 and 4,660.78 is: 6,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.94 : 11,065.65 = 4,660.78 : x
  2. Step 2: Convert to fraction form
    8,019.94/11,065.65 = 4,660.78/x
  3. Step 3: Cross multiply
    8,019.94x = 11,065.65 × 4,660.78
  4. Step 4: Simplify right side
    8,019.94x = 51,574,560.21
  5. Step 5: Solve for x
    x = 51,574,560.21/8,019.94
  6. Step 6: Final answer
    x = 6,430.79

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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.