Home / 8,356.49-11,531.80-4,579.48

Finding the Fourth Proportional to 8,356.49, 11,531.80 and 4,579.48

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Solution

The fourth proportional to 8,356.49, 11,531.80 and 4,579.48 is: 6,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.49 : 11,531.80 = 4,579.48 : x
  2. Step 2: Convert to fraction form
    8,356.49/11,531.80 = 4,579.48/x
  3. Step 3: Cross multiply
    8,356.49x = 11,531.80 × 4,579.48
  4. Step 4: Simplify right side
    8,356.49x = 52,809,647.46
  5. Step 5: Solve for x
    x = 52,809,647.46/8,356.49
  6. Step 6: Final answer
    x = 6,319.60

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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.