Home / 6,859.77-9,466.56-3,875.64

Finding the Fourth Proportional to 6,859.77, 9,466.56 and 3,875.64

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Solution

The fourth proportional to 6,859.77, 9,466.56 and 3,875.64 is: 5,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.77 : 9,466.56 = 3,875.64 : x
  2. Step 2: Convert to fraction form
    6,859.77/9,466.56 = 3,875.64/x
  3. Step 3: Cross multiply
    6,859.77x = 9,466.56 × 3,875.64
  4. Step 4: Simplify right side
    6,859.77x = 36,688,978.60
  5. Step 5: Solve for x
    x = 36,688,978.60/6,859.77
  6. Step 6: Final answer
    x = 5,348.43

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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.