Home / 4,573.55-6,860.70-1,286.67

Finding the Fourth Proportional to 4,573.55, 6,860.70 and 1,286.67

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Solution

The fourth proportional to 4,573.55, 6,860.70 and 1,286.67 is: 1,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,573.55 : 6,860.70 = 1,286.67 : x
  2. Step 2: Convert to fraction form
    4,573.55/6,860.70 = 1,286.67/x
  3. Step 3: Cross multiply
    4,573.55x = 6,860.70 × 1,286.67
  4. Step 4: Simplify right side
    4,573.55x = 8,827,444.01
  5. Step 5: Solve for x
    x = 8,827,444.01/4,573.55
  6. Step 6: Final answer
    x = 1,930.11

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Half scale
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Double scale
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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.