Home / 7,328.75-10,114.08-4,185.95

Finding the Fourth Proportional to 7,328.75, 10,114.08 and 4,185.95

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Solution

The fourth proportional to 7,328.75, 10,114.08 and 4,185.95 is: 5,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.75 : 10,114.08 = 4,185.95 : x
  2. Step 2: Convert to fraction form
    7,328.75/10,114.08 = 4,185.95/x
  3. Step 3: Cross multiply
    7,328.75x = 10,114.08 × 4,185.95
  4. Step 4: Simplify right side
    7,328.75x = 42,337,033.18
  5. Step 5: Solve for x
    x = 42,337,033.18/7,328.75
  6. Step 6: Final answer
    x = 5,776.84

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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.