Home / 6,427.16-8,869.01-3,774.20

Finding the Fourth Proportional to 6,427.16, 8,869.01 and 3,774.20

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Solution

The fourth proportional to 6,427.16, 8,869.01 and 3,774.20 is: 5,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.16 : 8,869.01 = 3,774.20 : x
  2. Step 2: Convert to fraction form
    6,427.16/8,869.01 = 3,774.20/x
  3. Step 3: Cross multiply
    6,427.16x = 8,869.01 × 3,774.20
  4. Step 4: Simplify right side
    6,427.16x = 33,473,417.54
  5. Step 5: Solve for x
    x = 33,473,417.54/6,427.16
  6. Step 6: Final answer
    x = 5,208.12

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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.