Home / 7,384.80-10,192.69-4,695.50

Finding the Fourth Proportional to 7,384.80, 10,192.69 and 4,695.50

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Solution

The fourth proportional to 7,384.80, 10,192.69 and 4,695.50 is: 6,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.80 : 10,192.69 = 4,695.50 : x
  2. Step 2: Convert to fraction form
    7,384.80/10,192.69 = 4,695.50/x
  3. Step 3: Cross multiply
    7,384.80x = 10,192.69 × 4,695.50
  4. Step 4: Simplify right side
    7,384.80x = 47,859,775.90
  5. Step 5: Solve for x
    x = 47,859,775.90/7,384.80
  6. Step 6: Final answer
    x = 6,480.85

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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.