Home / 7,357.94-10,153.98-4,000.80

Finding the Fourth Proportional to 7,357.94, 10,153.98 and 4,000.80

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Solution

The fourth proportional to 7,357.94, 10,153.98 and 4,000.80 is: 5,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.94 : 10,153.98 = 4,000.80 : x
  2. Step 2: Convert to fraction form
    7,357.94/10,153.98 = 4,000.80/x
  3. Step 3: Cross multiply
    7,357.94x = 10,153.98 × 4,000.80
  4. Step 4: Simplify right side
    7,357.94x = 40,624,043.18
  5. Step 5: Solve for x
    x = 40,624,043.18/7,357.94
  6. Step 6: Final answer
    x = 5,521.12

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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.