Home / 8,263.28-11,403.59-4,727.63

Finding the Fourth Proportional to 8,263.28, 11,403.59 and 4,727.63

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Solution

The fourth proportional to 8,263.28, 11,403.59 and 4,727.63 is: 6,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.28 : 11,403.59 = 4,727.63 : x
  2. Step 2: Convert to fraction form
    8,263.28/11,403.59 = 4,727.63/x
  3. Step 3: Cross multiply
    8,263.28x = 11,403.59 × 4,727.63
  4. Step 4: Simplify right side
    8,263.28x = 53,911,959.06
  5. Step 5: Solve for x
    x = 53,911,959.06/8,263.28
  6. Step 6: Final answer
    x = 6,524.28

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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.