Home / 8,816.79-13,207.55-5,304.86

Finding the Fourth Proportional to 8,816.79, 13,207.55 and 5,304.86

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Solution

The fourth proportional to 8,816.79, 13,207.55 and 5,304.86 is: 7,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.79 : 13,207.55 = 5,304.86 : x
  2. Step 2: Convert to fraction form
    8,816.79/13,207.55 = 5,304.86/x
  3. Step 3: Cross multiply
    8,816.79x = 13,207.55 × 5,304.86
  4. Step 4: Simplify right side
    8,816.79x = 70,064,111.13
  5. Step 5: Solve for x
    x = 70,064,111.13/8,816.79
  6. Step 6: Final answer
    x = 7,946.67

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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.