Home / 4,386.60-6,580.82-1,266.60

Finding the Fourth Proportional to 4,386.60, 6,580.82 and 1,266.60

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Solution

The fourth proportional to 4,386.60, 6,580.82 and 1,266.60 is: 1,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.60 : 6,580.82 = 1,266.60 : x
  2. Step 2: Convert to fraction form
    4,386.60/6,580.82 = 1,266.60/x
  3. Step 3: Cross multiply
    4,386.60x = 6,580.82 × 1,266.60
  4. Step 4: Simplify right side
    4,386.60x = 8,335,266.61
  5. Step 5: Solve for x
    x = 8,335,266.61/4,386.60
  6. Step 6: Final answer
    x = 1,900.17

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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.