Home / 6,915.55-10,360.95-4,205.80

Finding the Fourth Proportional to 6,915.55, 10,360.95 and 4,205.80

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Solution

The fourth proportional to 6,915.55, 10,360.95 and 4,205.80 is: 6,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.55 : 10,360.95 = 4,205.80 : x
  2. Step 2: Convert to fraction form
    6,915.55/10,360.95 = 4,205.80/x
  3. Step 3: Cross multiply
    6,915.55x = 10,360.95 × 4,205.80
  4. Step 4: Simplify right side
    6,915.55x = 43,576,083.51
  5. Step 5: Solve for x
    x = 43,576,083.51/6,915.55
  6. Step 6: Final answer
    x = 6,301.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.