Home / 6,412.28-8,852.63-4,887.88

Finding the Fourth Proportional to 6,412.28, 8,852.63 and 4,887.88

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Solution

The fourth proportional to 6,412.28, 8,852.63 and 4,887.88 is: 6,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412.28 : 8,852.63 = 4,887.88 : x
  2. Step 2: Convert to fraction form
    6,412.28/8,852.63 = 4,887.88/x
  3. Step 3: Cross multiply
    6,412.28x = 8,852.63 × 4,887.88
  4. Step 4: Simplify right side
    6,412.28x = 43,270,560.50
  5. Step 5: Solve for x
    x = 43,270,560.50/6,412.28
  6. Step 6: Final answer
    x = 6,748.07

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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.