Home / 5,342.32-8,011.50-1,831.60

Finding the Fourth Proportional to 5,342.32, 8,011.50 and 1,831.60

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Solution

The fourth proportional to 5,342.32, 8,011.50 and 1,831.60 is: 2,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.32 : 8,011.50 = 1,831.60 : x
  2. Step 2: Convert to fraction form
    5,342.32/8,011.50 = 1,831.60/x
  3. Step 3: Cross multiply
    5,342.32x = 8,011.50 × 1,831.60
  4. Step 4: Simplify right side
    5,342.32x = 14,673,863.40
  5. Step 5: Solve for x
    x = 14,673,863.40/5,342.32
  6. Step 6: Final answer
    x = 2,746.72

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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.