Home / 8,629.32-11,909.14-4,853.40

Finding the Fourth Proportional to 8,629.32, 11,909.14 and 4,853.40

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Solution

The fourth proportional to 8,629.32, 11,909.14 and 4,853.40 is: 6,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.32 : 11,909.14 = 4,853.40 : x
  2. Step 2: Convert to fraction form
    8,629.32/11,909.14 = 4,853.40/x
  3. Step 3: Cross multiply
    8,629.32x = 11,909.14 × 4,853.40
  4. Step 4: Simplify right side
    8,629.32x = 57,799,820.08
  5. Step 5: Solve for x
    x = 57,799,820.08/8,629.32
  6. Step 6: Final answer
    x = 6,698.07

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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.