Home / 4,387.10-6,580.56-1,266.98

Finding the Fourth Proportional to 4,387.10, 6,580.56 and 1,266.98

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Solution

The fourth proportional to 4,387.10, 6,580.56 and 1,266.98 is: 1,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.10 : 6,580.56 = 1,266.98 : x
  2. Step 2: Convert to fraction form
    4,387.10/6,580.56 = 1,266.98/x
  3. Step 3: Cross multiply
    4,387.10x = 6,580.56 × 1,266.98
  4. Step 4: Simplify right side
    4,387.10x = 8,337,402.63
  5. Step 5: Solve for x
    x = 8,337,402.63/4,387.10
  6. Step 6: Final answer
    x = 1,900.44

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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.