Home / 4,051.86-6,077.80-1,130.20

Finding the Fourth Proportional to 4,051.86, 6,077.80 and 1,130.20

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Solution

The fourth proportional to 4,051.86, 6,077.80 and 1,130.20 is: 1,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.86 : 6,077.80 = 1,130.20 : x
  2. Step 2: Convert to fraction form
    4,051.86/6,077.80 = 1,130.20/x
  3. Step 3: Cross multiply
    4,051.86x = 6,077.80 × 1,130.20
  4. Step 4: Simplify right side
    4,051.86x = 6,869,129.56
  5. Step 5: Solve for x
    x = 6,869,129.56/4,051.86
  6. Step 6: Final answer
    x = 1,695.30

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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.