Home / 4,308.17-6,461.42-1,187.39

Finding the Fourth Proportional to 4,308.17, 6,461.42 and 1,187.39

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Solution

The fourth proportional to 4,308.17, 6,461.42 and 1,187.39 is: 1,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.17 : 6,461.42 = 1,187.39 : x
  2. Step 2: Convert to fraction form
    4,308.17/6,461.42 = 1,187.39/x
  3. Step 3: Cross multiply
    4,308.17x = 6,461.42 × 1,187.39
  4. Step 4: Simplify right side
    4,308.17x = 7,672,235.71
  5. Step 5: Solve for x
    x = 7,672,235.71/4,308.17
  6. Step 6: Final answer
    x = 1,780.86

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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.