Home / 7,023.89-10,538.67-3,125.63

Finding the Fourth Proportional to 7,023.89, 10,538.67 and 3,125.63

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Solution

The fourth proportional to 7,023.89, 10,538.67 and 3,125.63 is: 4,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.89 : 10,538.67 = 3,125.63 : x
  2. Step 2: Convert to fraction form
    7,023.89/10,538.67 = 3,125.63/x
  3. Step 3: Cross multiply
    7,023.89x = 10,538.67 × 3,125.63
  4. Step 4: Simplify right side
    7,023.89x = 32,939,983.11
  5. Step 5: Solve for x
    x = 32,939,983.11/7,023.89
  6. Step 6: Final answer
    x = 4,689.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.