Home / 4,387.22-6,580.10-1,308.50

Finding the Fourth Proportional to 4,387.22, 6,580.10 and 1,308.50

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Solution

The fourth proportional to 4,387.22, 6,580.10 and 1,308.50 is: 1,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.22 : 6,580.10 = 1,308.50 : x
  2. Step 2: Convert to fraction form
    4,387.22/6,580.10 = 1,308.50/x
  3. Step 3: Cross multiply
    4,387.22x = 6,580.10 × 1,308.50
  4. Step 4: Simplify right side
    4,387.22x = 8,610,060.85
  5. Step 5: Solve for x
    x = 8,610,060.85/4,387.22
  6. Step 6: Final answer
    x = 1,962.53

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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.