Home / 8,910.72-13,378.08-6,002.40

Finding the Fourth Proportional to 8,910.72, 13,378.08 and 6,002.40

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Solution

The fourth proportional to 8,910.72, 13,378.08 and 6,002.40 is: 9,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.72 : 13,378.08 = 6,002.40 : x
  2. Step 2: Convert to fraction form
    8,910.72/13,378.08 = 6,002.40/x
  3. Step 3: Cross multiply
    8,910.72x = 13,378.08 × 6,002.40
  4. Step 4: Simplify right side
    8,910.72x = 80,300,587.39
  5. Step 5: Solve for x
    x = 80,300,587.39/8,910.72
  6. Step 6: Final answer
    x = 9,011.68

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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.