Home / 6,111.95-8,434.64-3,459.76

Finding the Fourth Proportional to 6,111.95, 8,434.64 and 3,459.76

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Solution

The fourth proportional to 6,111.95, 8,434.64 and 3,459.76 is: 4,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.95 : 8,434.64 = 3,459.76 : x
  2. Step 2: Convert to fraction form
    6,111.95/8,434.64 = 3,459.76/x
  3. Step 3: Cross multiply
    6,111.95x = 8,434.64 × 3,459.76
  4. Step 4: Simplify right side
    6,111.95x = 29,181,817.65
  5. Step 5: Solve for x
    x = 29,181,817.65/6,111.95
  6. Step 6: Final answer
    x = 4,774.56

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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.