Home / 6,146.13-8,478.34-5,077.58

Finding the Fourth Proportional to 6,146.13, 8,478.34 and 5,077.58

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Solution

The fourth proportional to 6,146.13, 8,478.34 and 5,077.58 is: 7,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146.13 : 8,478.34 = 5,077.58 : x
  2. Step 2: Convert to fraction form
    6,146.13/8,478.34 = 5,077.58/x
  3. Step 3: Cross multiply
    6,146.13x = 8,478.34 × 5,077.58
  4. Step 4: Simplify right side
    6,146.13x = 43,049,430.91
  5. Step 5: Solve for x
    x = 43,049,430.91/6,146.13
  6. Step 6: Final answer
    x = 7,004.31

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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.