Home / 6,427.76-8,870.49-3,595.05

Finding the Fourth Proportional to 6,427.76, 8,870.49 and 3,595.05

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Solution

The fourth proportional to 6,427.76, 8,870.49 and 3,595.05 is: 4,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.76 : 8,870.49 = 3,595.05 : x
  2. Step 2: Convert to fraction form
    6,427.76/8,870.49 = 3,595.05/x
  3. Step 3: Cross multiply
    6,427.76x = 8,870.49 × 3,595.05
  4. Step 4: Simplify right side
    6,427.76x = 31,889,855.07
  5. Step 5: Solve for x
    x = 31,889,855.07/6,427.76
  6. Step 6: Final answer
    x = 4,961.27

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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.