Home / 6,871.64-9,483.34-3,887.50

Finding the Fourth Proportional to 6,871.64, 9,483.34 and 3,887.50

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Solution

The fourth proportional to 6,871.64, 9,483.34 and 3,887.50 is: 5,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.64 : 9,483.34 = 3,887.50 : x
  2. Step 2: Convert to fraction form
    6,871.64/9,483.34 = 3,887.50/x
  3. Step 3: Cross multiply
    6,871.64x = 9,483.34 × 3,887.50
  4. Step 4: Simplify right side
    6,871.64x = 36,866,484.25
  5. Step 5: Solve for x
    x = 36,866,484.25/6,871.64
  6. Step 6: Final answer
    x = 5,365.02

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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.