Home / 6,290.70-9,434.88-2,912.69

Finding the Fourth Proportional to 6,290.70, 9,434.88 and 2,912.69

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Solution

The fourth proportional to 6,290.70, 9,434.88 and 2,912.69 is: 4,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.70 : 9,434.88 = 2,912.69 : x
  2. Step 2: Convert to fraction form
    6,290.70/9,434.88 = 2,912.69/x
  3. Step 3: Cross multiply
    6,290.70x = 9,434.88 × 2,912.69
  4. Step 4: Simplify right side
    6,290.70x = 27,480,904.21
  5. Step 5: Solve for x
    x = 27,480,904.21/6,290.70
  6. Step 6: Final answer
    x = 4,368.50

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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.