Home / 9,080.51-12,529.71-5,100.86

Finding the Fourth Proportional to 9,080.51, 12,529.71 and 5,100.86

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Solution

The fourth proportional to 9,080.51, 12,529.71 and 5,100.86 is: 7,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.51 : 12,529.71 = 5,100.86 : x
  2. Step 2: Convert to fraction form
    9,080.51/12,529.71 = 5,100.86/x
  3. Step 3: Cross multiply
    9,080.51x = 12,529.71 × 5,100.86
  4. Step 4: Simplify right side
    9,080.51x = 63,912,246.65
  5. Step 5: Solve for x
    x = 63,912,246.65/9,080.51
  6. Step 6: Final answer
    x = 7,038.40

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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.