Home / 4,831.57-7,248.80-2,778.13

Finding the Fourth Proportional to 4,831.57, 7,248.80 and 2,778.13

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Solution

The fourth proportional to 4,831.57, 7,248.80 and 2,778.13 is: 4,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.57 : 7,248.80 = 2,778.13 : x
  2. Step 2: Convert to fraction form
    4,831.57/7,248.80 = 2,778.13/x
  3. Step 3: Cross multiply
    4,831.57x = 7,248.80 × 2,778.13
  4. Step 4: Simplify right side
    4,831.57x = 20,138,108.74
  5. Step 5: Solve for x
    x = 20,138,108.74/4,831.57
  6. Step 6: Final answer
    x = 4,168.03

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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.