Home / 8,956.04-13,430.28-3,406.32

Finding the Fourth Proportional to 8,956.04, 13,430.28 and 3,406.32

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Solution

The fourth proportional to 8,956.04, 13,430.28 and 3,406.32 is: 5,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.04 : 13,430.28 = 3,406.32 : x
  2. Step 2: Convert to fraction form
    8,956.04/13,430.28 = 3,406.32/x
  3. Step 3: Cross multiply
    8,956.04x = 13,430.28 × 3,406.32
  4. Step 4: Simplify right side
    8,956.04x = 45,747,831.37
  5. Step 5: Solve for x
    x = 45,747,831.37/8,956.04
  6. Step 6: Final answer
    x = 5,108.04

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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.