Home / 7,965.57-10,993.06-4,779

Finding the Fourth Proportional to 7,965.57, 10,993.06 and 4,779

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Solution

The fourth proportional to 7,965.57, 10,993.06 and 4,779 is: 6,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.57 : 10,993.06 = 4,779 : x
  2. Step 2: Convert to fraction form
    7,965.57/10,993.06 = 4,779/x
  3. Step 3: Cross multiply
    7,965.57x = 10,993.06 × 4,779
  4. Step 4: Simplify right side
    7,965.57x = 52,535,833.74
  5. Step 5: Solve for x
    x = 52,535,833.74/7,965.57
  6. Step 6: Final answer
    x = 6,595.36

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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.