Home / 6,887.31-9,493.58-6,315.26

Finding the Fourth Proportional to 6,887.31, 9,493.58 and 6,315.26

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Solution

The fourth proportional to 6,887.31, 9,493.58 and 6,315.26 is: 8,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.31 : 9,493.58 = 6,315.26 : x
  2. Step 2: Convert to fraction form
    6,887.31/9,493.58 = 6,315.26/x
  3. Step 3: Cross multiply
    6,887.31x = 9,493.58 × 6,315.26
  4. Step 4: Simplify right side
    6,887.31x = 59,954,346.99
  5. Step 5: Solve for x
    x = 59,954,346.99/6,887.31
  6. Step 6: Final answer
    x = 8,705.05

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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.