Home / 9,319.34-12,860.68-5,127.56

Finding the Fourth Proportional to 9,319.34, 12,860.68 and 5,127.56

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Solution

The fourth proportional to 9,319.34, 12,860.68 and 5,127.56 is: 7,076.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.34 : 12,860.68 = 5,127.56 : x
  2. Step 2: Convert to fraction form
    9,319.34/12,860.68 = 5,127.56/x
  3. Step 3: Cross multiply
    9,319.34x = 12,860.68 × 5,127.56
  4. Step 4: Simplify right side
    9,319.34x = 65,943,831.22
  5. Step 5: Solve for x
    x = 65,943,831.22/9,319.34
  6. Step 6: Final answer
    x = 7,076.02

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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.