Home / 7,138.28-9,852.90-4,348.84

Finding the Fourth Proportional to 7,138.28, 9,852.90 and 4,348.84

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Solution

The fourth proportional to 7,138.28, 9,852.90 and 4,348.84 is: 6,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138.28 : 9,852.90 = 4,348.84 : x
  2. Step 2: Convert to fraction form
    7,138.28/9,852.90 = 4,348.84/x
  3. Step 3: Cross multiply
    7,138.28x = 9,852.90 × 4,348.84
  4. Step 4: Simplify right side
    7,138.28x = 42,848,685.64
  5. Step 5: Solve for x
    x = 42,848,685.64/7,138.28
  6. Step 6: Final answer
    x = 6,002.66

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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.