Home / 8,436.69-11,642.45-4,608.20

Finding the Fourth Proportional to 8,436.69, 11,642.45 and 4,608.20

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Solution

The fourth proportional to 8,436.69, 11,642.45 and 4,608.20 is: 6,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.69 : 11,642.45 = 4,608.20 : x
  2. Step 2: Convert to fraction form
    8,436.69/11,642.45 = 4,608.20/x
  3. Step 3: Cross multiply
    8,436.69x = 11,642.45 × 4,608.20
  4. Step 4: Simplify right side
    8,436.69x = 53,650,700.50
  5. Step 5: Solve for x
    x = 53,650,700.50/8,436.69
  6. Step 6: Final answer
    x = 6,359.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.