Home / 5,085.50-7,628.93-4,777.95

Finding the Fourth Proportional to 5,085.50, 7,628.93 and 4,777.95

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Solution

The fourth proportional to 5,085.50, 7,628.93 and 4,777.95 is: 7,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.50 : 7,628.93 = 4,777.95 : x
  2. Step 2: Convert to fraction form
    5,085.50/7,628.93 = 4,777.95/x
  3. Step 3: Cross multiply
    5,085.50x = 7,628.93 × 4,777.95
  4. Step 4: Simplify right side
    5,085.50x = 36,450,695.61
  5. Step 5: Solve for x
    x = 36,450,695.61/5,085.50
  6. Step 6: Final answer
    x = 7,167.57

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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.