Home / 5,728.04-8,591.51-1,831.40

Finding the Fourth Proportional to 5,728.04, 8,591.51 and 1,831.40

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Solution

The fourth proportional to 5,728.04, 8,591.51 and 1,831.40 is: 2,746.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.04 : 8,591.51 = 1,831.40 : x
  2. Step 2: Convert to fraction form
    5,728.04/8,591.51 = 1,831.40/x
  3. Step 3: Cross multiply
    5,728.04x = 8,591.51 × 1,831.40
  4. Step 4: Simplify right side
    5,728.04x = 15,734,448.46
  5. Step 5: Solve for x
    x = 15,734,448.46/5,728.04
  6. Step 6: Final answer
    x = 2,746.92

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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.