Home / 4,602.45-6,903.67-1,139.70

Finding the Fourth Proportional to 4,602.45, 6,903.67 and 1,139.70

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Solution

The fourth proportional to 4,602.45, 6,903.67 and 1,139.70 is: 1,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,602.45 : 6,903.67 = 1,139.70 : x
  2. Step 2: Convert to fraction form
    4,602.45/6,903.67 = 1,139.70/x
  3. Step 3: Cross multiply
    4,602.45x = 6,903.67 × 1,139.70
  4. Step 4: Simplify right side
    4,602.45x = 7,868,109.85
  5. Step 5: Solve for x
    x = 7,868,109.85/4,602.45
  6. Step 6: Final answer
    x = 1,709.55

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Similar ratio
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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.