Home / 7,389.59-10,197.72-4,407.12

Finding the Fourth Proportional to 7,389.59, 10,197.72 and 4,407.12

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Solution

The fourth proportional to 7,389.59, 10,197.72 and 4,407.12 is: 6,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.59 : 10,197.72 = 4,407.12 : x
  2. Step 2: Convert to fraction form
    7,389.59/10,197.72 = 4,407.12/x
  3. Step 3: Cross multiply
    7,389.59x = 10,197.72 × 4,407.12
  4. Step 4: Simplify right side
    7,389.59x = 44,942,575.77
  5. Step 5: Solve for x
    x = 44,942,575.77/7,389.59
  6. Step 6: Final answer
    x = 6,081.88

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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.