Home / 9,120.06-12,585.70-4,928.32

Finding the Fourth Proportional to 9,120.06, 12,585.70 and 4,928.32

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Solution

The fourth proportional to 9,120.06, 12,585.70 and 4,928.32 is: 6,801.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.06 : 12,585.70 = 4,928.32 : x
  2. Step 2: Convert to fraction form
    9,120.06/12,585.70 = 4,928.32/x
  3. Step 3: Cross multiply
    9,120.06x = 12,585.70 × 4,928.32
  4. Step 4: Simplify right side
    9,120.06x = 62,026,357.02
  5. Step 5: Solve for x
    x = 62,026,357.02/9,120.06
  6. Step 6: Final answer
    x = 6,801.09

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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.