Home / 4,915.50-6,781.95-2,925.06

Finding the Fourth Proportional to 4,915.50, 6,781.95 and 2,925.06

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Solution

The fourth proportional to 4,915.50, 6,781.95 and 2,925.06 is: 4,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.50 : 6,781.95 = 2,925.06 : x
  2. Step 2: Convert to fraction form
    4,915.50/6,781.95 = 2,925.06/x
  3. Step 3: Cross multiply
    4,915.50x = 6,781.95 × 2,925.06
  4. Step 4: Simplify right side
    4,915.50x = 19,837,610.67
  5. Step 5: Solve for x
    x = 19,837,610.67/4,915.50
  6. Step 6: Final answer
    x = 4,035.73

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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.