Home / 7,391.01-10,199.34-4,405.31

Finding the Fourth Proportional to 7,391.01, 10,199.34 and 4,405.31

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Solution

The fourth proportional to 7,391.01, 10,199.34 and 4,405.31 is: 6,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.01 : 10,199.34 = 4,405.31 : x
  2. Step 2: Convert to fraction form
    7,391.01/10,199.34 = 4,405.31/x
  3. Step 3: Cross multiply
    7,391.01x = 10,199.34 × 4,405.31
  4. Step 4: Simplify right side
    7,391.01x = 44,931,203.50
  5. Step 5: Solve for x
    x = 44,931,203.50/7,391.01
  6. Step 6: Final answer
    x = 6,079.17

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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.