Home / 6,077.86-9,115.47-1,917.34

Finding the Fourth Proportional to 6,077.86, 9,115.47 and 1,917.34

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Solution

The fourth proportional to 6,077.86, 9,115.47 and 1,917.34 is: 2,875.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.86 : 9,115.47 = 1,917.34 : x
  2. Step 2: Convert to fraction form
    6,077.86/9,115.47 = 1,917.34/x
  3. Step 3: Cross multiply
    6,077.86x = 9,115.47 × 1,917.34
  4. Step 4: Simplify right side
    6,077.86x = 17,477,455.25
  5. Step 5: Solve for x
    x = 17,477,455.25/6,077.86
  6. Step 6: Final answer
    x = 2,875.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.