Home / 6,854.10-9,458.70-3,710.31

Finding the Fourth Proportional to 6,854.10, 9,458.70 and 3,710.31

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Solution

The fourth proportional to 6,854.10, 9,458.70 and 3,710.31 is: 5,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854.10 : 9,458.70 = 3,710.31 : x
  2. Step 2: Convert to fraction form
    6,854.10/9,458.70 = 3,710.31/x
  3. Step 3: Cross multiply
    6,854.10x = 9,458.70 × 3,710.31
  4. Step 4: Simplify right side
    6,854.10x = 35,094,709.20
  5. Step 5: Solve for x
    x = 35,094,709.20/6,854.10
  6. Step 6: Final answer
    x = 5,120.25

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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.