Home / 4,831.34-7,246.62-1,909.70

Finding the Fourth Proportional to 4,831.34, 7,246.62 and 1,909.70

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Solution

The fourth proportional to 4,831.34, 7,246.62 and 1,909.70 is: 2,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.34 : 7,246.62 = 1,909.70 : x
  2. Step 2: Convert to fraction form
    4,831.34/7,246.62 = 1,909.70/x
  3. Step 3: Cross multiply
    4,831.34x = 7,246.62 × 1,909.70
  4. Step 4: Simplify right side
    4,831.34x = 13,838,870.21
  5. Step 5: Solve for x
    x = 13,838,870.21/4,831.34
  6. Step 6: Final answer
    x = 2,864.40

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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.