Home / 8,356.56-11,531.47-4,579.71

Finding the Fourth Proportional to 8,356.56, 11,531.47 and 4,579.71

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Solution

The fourth proportional to 8,356.56, 11,531.47 and 4,579.71 is: 6,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.56 : 11,531.47 = 4,579.71 : x
  2. Step 2: Convert to fraction form
    8,356.56/11,531.47 = 4,579.71/x
  3. Step 3: Cross multiply
    8,356.56x = 11,531.47 × 4,579.71
  4. Step 4: Simplify right side
    8,356.56x = 52,810,842.89
  5. Step 5: Solve for x
    x = 52,810,842.89/8,356.56
  6. Step 6: Final answer
    x = 6,319.69

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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.