Home / 6,981.48-9,625.46-5,717.88

Finding the Fourth Proportional to 6,981.48, 9,625.46 and 5,717.88

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Solution

The fourth proportional to 6,981.48, 9,625.46 and 5,717.88 is: 7,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.48 : 9,625.46 = 5,717.88 : x
  2. Step 2: Convert to fraction form
    6,981.48/9,625.46 = 5,717.88/x
  3. Step 3: Cross multiply
    6,981.48x = 9,625.46 × 5,717.88
  4. Step 4: Simplify right side
    6,981.48x = 55,037,225.22
  5. Step 5: Solve for x
    x = 55,037,225.22/6,981.48
  6. Step 6: Final answer
    x = 7,883.32

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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.