Home / 5,379.74-8,015.54-5,077.59

Finding the Fourth Proportional to 5,379.74, 8,015.54 and 5,077.59

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Solution

The fourth proportional to 5,379.74, 8,015.54 and 5,077.59 is: 7,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.74 : 8,015.54 = 5,077.59 : x
  2. Step 2: Convert to fraction form
    5,379.74/8,015.54 = 5,077.59/x
  3. Step 3: Cross multiply
    5,379.74x = 8,015.54 × 5,077.59
  4. Step 4: Simplify right side
    5,379.74x = 40,699,638.44
  5. Step 5: Solve for x
    x = 40,699,638.44/5,379.74
  6. Step 6: Final answer
    x = 7,565.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.