Home / 4,724.38-7,087.61-1,802.70

Finding the Fourth Proportional to 4,724.38, 7,087.61 and 1,802.70

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Solution

The fourth proportional to 4,724.38, 7,087.61 and 1,802.70 is: 2,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.38 : 7,087.61 = 1,802.70 : x
  2. Step 2: Convert to fraction form
    4,724.38/7,087.61 = 1,802.70/x
  3. Step 3: Cross multiply
    4,724.38x = 7,087.61 × 1,802.70
  4. Step 4: Simplify right side
    4,724.38x = 12,776,834.55
  5. Step 5: Solve for x
    x = 12,776,834.55/4,724.38
  6. Step 6: Final answer
    x = 2,704.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.