Home / 4,308.31-6,461.40-1,188.17

Finding the Fourth Proportional to 4,308.31, 6,461.40 and 1,188.17

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Solution

The fourth proportional to 4,308.31, 6,461.40 and 1,188.17 is: 1,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.31 : 6,461.40 = 1,188.17 : x
  2. Step 2: Convert to fraction form
    4,308.31/6,461.40 = 1,188.17/x
  3. Step 3: Cross multiply
    4,308.31x = 6,461.40 × 1,188.17
  4. Step 4: Simplify right side
    4,308.31x = 7,677,225.48
  5. Step 5: Solve for x
    x = 7,677,225.48/4,308.31
  6. Step 6: Final answer
    x = 1,781.96

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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.