Home / 8,925.92-12,317.52-5,387.84

Finding the Fourth Proportional to 8,925.92, 12,317.52 and 5,387.84

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Solution

The fourth proportional to 8,925.92, 12,317.52 and 5,387.84 is: 7,435.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.92 : 12,317.52 = 5,387.84 : x
  2. Step 2: Convert to fraction form
    8,925.92/12,317.52 = 5,387.84/x
  3. Step 3: Cross multiply
    8,925.92x = 12,317.52 × 5,387.84
  4. Step 4: Simplify right side
    8,925.92x = 66,364,826.96
  5. Step 5: Solve for x
    x = 66,364,826.96/8,925.92
  6. Step 6: Final answer
    x = 7,435.07

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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.