Home / 8,308.08-11,459.61-6,626.52

Finding the Fourth Proportional to 8,308.08, 11,459.61 and 6,626.52

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Solution

The fourth proportional to 8,308.08, 11,459.61 and 6,626.52 is: 9,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.08 : 11,459.61 = 6,626.52 : x
  2. Step 2: Convert to fraction form
    8,308.08/11,459.61 = 6,626.52/x
  3. Step 3: Cross multiply
    8,308.08x = 11,459.61 × 6,626.52
  4. Step 4: Simplify right side
    8,308.08x = 75,937,334.86
  5. Step 5: Solve for x
    x = 75,937,334.86/8,308.08
  6. Step 6: Final answer
    x = 9,140.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.