Home / 6,342.80-8,752.78-3,510.28

Finding the Fourth Proportional to 6,342.80, 8,752.78 and 3,510.28

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Solution

The fourth proportional to 6,342.80, 8,752.78 and 3,510.28 is: 4,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.80 : 8,752.78 = 3,510.28 : x
  2. Step 2: Convert to fraction form
    6,342.80/8,752.78 = 3,510.28/x
  3. Step 3: Cross multiply
    6,342.80x = 8,752.78 × 3,510.28
  4. Step 4: Simplify right side
    6,342.80x = 30,724,708.58
  5. Step 5: Solve for x
    x = 30,724,708.58/6,342.80
  6. Step 6: Final answer
    x = 4,844.03

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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.