Home / 7,311.04-10,089.36-4,167.28

Finding the Fourth Proportional to 7,311.04, 10,089.36 and 4,167.28

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Solution

The fourth proportional to 7,311.04, 10,089.36 and 4,167.28 is: 5,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.04 : 10,089.36 = 4,167.28 : x
  2. Step 2: Convert to fraction form
    7,311.04/10,089.36 = 4,167.28/x
  3. Step 3: Cross multiply
    7,311.04x = 10,089.36 × 4,167.28
  4. Step 4: Simplify right side
    7,311.04x = 42,045,188.14
  5. Step 5: Solve for x
    x = 42,045,188.14/7,311.04
  6. Step 6: Final answer
    x = 5,750.92

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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.