Home / 9,120.07-12,585.71-4,928.32

Finding the Fourth Proportional to 9,120.07, 12,585.71 and 4,928.32

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Solution

The fourth proportional to 9,120.07, 12,585.71 and 4,928.32 is: 6,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.07 : 12,585.71 = 4,928.32 : x
  2. Step 2: Convert to fraction form
    9,120.07/12,585.71 = 4,928.32/x
  3. Step 3: Cross multiply
    9,120.07x = 12,585.71 × 4,928.32
  4. Step 4: Simplify right side
    9,120.07x = 62,026,350.20
  5. Step 5: Solve for x
    x = 62,026,350.20/9,120.07
  6. Step 6: Final answer
    x = 6,801.08

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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.