Home / 6,915.11-9,539.84-4,395.87

Finding the Fourth Proportional to 6,915.11, 9,539.84 and 4,395.87

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Solution

The fourth proportional to 6,915.11, 9,539.84 and 4,395.87 is: 6,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.11 : 9,539.84 = 4,395.87 : x
  2. Step 2: Convert to fraction form
    6,915.11/9,539.84 = 4,395.87/x
  3. Step 3: Cross multiply
    6,915.11x = 9,539.84 × 4,395.87
  4. Step 4: Simplify right side
    6,915.11x = 41,935,896.46
  5. Step 5: Solve for x
    x = 41,935,896.46/6,915.11
  6. Step 6: Final answer
    x = 6,064.39

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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.