Home / 6,857.26-9,459.36-4,615.30

Finding the Fourth Proportional to 6,857.26, 9,459.36 and 4,615.30

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Solution

The fourth proportional to 6,857.26, 9,459.36 and 4,615.30 is: 6,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.26 : 9,459.36 = 4,615.30 : x
  2. Step 2: Convert to fraction form
    6,857.26/9,459.36 = 4,615.30/x
  3. Step 3: Cross multiply
    6,857.26x = 9,459.36 × 4,615.30
  4. Step 4: Simplify right side
    6,857.26x = 43,657,784.21
  5. Step 5: Solve for x
    x = 43,657,784.21/6,857.26
  6. Step 6: Final answer
    x = 6,366.65

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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.