Home / 9,100.12-12,566.46-6,858.16

Finding the Fourth Proportional to 9,100.12, 12,566.46 and 6,858.16

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Solution

The fourth proportional to 9,100.12, 12,566.46 and 6,858.16 is: 9,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,100.12 : 12,566.46 = 6,858.16 : x
  2. Step 2: Convert to fraction form
    9,100.12/12,566.46 = 6,858.16/x
  3. Step 3: Cross multiply
    9,100.12x = 12,566.46 × 6,858.16
  4. Step 4: Simplify right side
    9,100.12x = 86,182,793.31
  5. Step 5: Solve for x
    x = 86,182,793.31/9,100.12
  6. Step 6: Final answer
    x = 9,470.51

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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.