Home / 6,728.45-9,283.14-4,740.10

Finding the Fourth Proportional to 6,728.45, 9,283.14 and 4,740.10

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Solution

The fourth proportional to 6,728.45, 9,283.14 and 4,740.10 is: 6,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.45 : 9,283.14 = 4,740.10 : x
  2. Step 2: Convert to fraction form
    6,728.45/9,283.14 = 4,740.10/x
  3. Step 3: Cross multiply
    6,728.45x = 9,283.14 × 4,740.10
  4. Step 4: Simplify right side
    6,728.45x = 44,002,988.71
  5. Step 5: Solve for x
    x = 44,002,988.71/6,728.45
  6. Step 6: Final answer
    x = 6,539.85

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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.