Home / 7,311.20-10,089.48-4,167.44

Finding the Fourth Proportional to 7,311.20, 10,089.48 and 4,167.44

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Solution

The fourth proportional to 7,311.20, 10,089.48 and 4,167.44 is: 5,751.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.20 : 10,089.48 = 4,167.44 : x
  2. Step 2: Convert to fraction form
    7,311.20/10,089.48 = 4,167.44/x
  3. Step 3: Cross multiply
    7,311.20x = 10,089.48 × 4,167.44
  4. Step 4: Simplify right side
    7,311.20x = 42,047,302.53
  5. Step 5: Solve for x
    x = 42,047,302.53/7,311.20
  6. Step 6: Final answer
    x = 5,751.08

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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.