Home / 5,224.26-7,831.28-1,891.50

Finding the Fourth Proportional to 5,224.26, 7,831.28 and 1,891.50

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Solution

The fourth proportional to 5,224.26, 7,831.28 and 1,891.50 is: 2,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.26 : 7,831.28 = 1,891.50 : x
  2. Step 2: Convert to fraction form
    5,224.26/7,831.28 = 1,891.50/x
  3. Step 3: Cross multiply
    5,224.26x = 7,831.28 × 1,891.50
  4. Step 4: Simplify right side
    5,224.26x = 14,812,866.12
  5. Step 5: Solve for x
    x = 14,812,866.12/5,224.26
  6. Step 6: Final answer
    x = 2,835.40

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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.