Home / 7,357.20-10,152.87-4,000.02

Finding the Fourth Proportional to 7,357.20, 10,152.87 and 4,000.02

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Solution

The fourth proportional to 7,357.20, 10,152.87 and 4,000.02 is: 5,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.20 : 10,152.87 = 4,000.02 : x
  2. Step 2: Convert to fraction form
    7,357.20/10,152.87 = 4,000.02/x
  3. Step 3: Cross multiply
    7,357.20x = 10,152.87 × 4,000.02
  4. Step 4: Simplify right side
    7,357.20x = 40,611,683.06
  5. Step 5: Solve for x
    x = 40,611,683.06/7,357.20
  6. Step 6: Final answer
    x = 5,519.99

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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.