Home / 7,224.17-10,831.00-4,878.36

Finding the Fourth Proportional to 7,224.17, 10,831.00 and 4,878.36

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Solution

The fourth proportional to 7,224.17, 10,831.00 and 4,878.36 is: 7,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.17 : 10,831.00 = 4,878.36 : x
  2. Step 2: Convert to fraction form
    7,224.17/10,831.00 = 4,878.36/x
  3. Step 3: Cross multiply
    7,224.17x = 10,831.00 × 4,878.36
  4. Step 4: Simplify right side
    7,224.17x = 52,837,514.11
  5. Step 5: Solve for x
    x = 52,837,514.11/7,224.17
  6. Step 6: Final answer
    x = 7,313.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.