Home / 9,319.06-12,860.49-5,127.58

Finding the Fourth Proportional to 9,319.06, 12,860.49 and 5,127.58

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Solution

The fourth proportional to 9,319.06, 12,860.49 and 5,127.58 is: 7,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.06 : 12,860.49 = 5,127.58 : x
  2. Step 2: Convert to fraction form
    9,319.06/12,860.49 = 5,127.58/x
  3. Step 3: Cross multiply
    9,319.06x = 12,860.49 × 5,127.58
  4. Step 4: Simplify right side
    9,319.06x = 65,943,191.31
  5. Step 5: Solve for x
    x = 65,943,191.31/9,319.06
  6. Step 6: Final answer
    x = 7,076.16

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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.