Home / 7,315.50-10,973.38-2,385.12

Finding the Fourth Proportional to 7,315.50, 10,973.38 and 2,385.12

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Solution

The fourth proportional to 7,315.50, 10,973.38 and 2,385.12 is: 3,577.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.50 : 10,973.38 = 2,385.12 : x
  2. Step 2: Convert to fraction form
    7,315.50/10,973.38 = 2,385.12/x
  3. Step 3: Cross multiply
    7,315.50x = 10,973.38 × 2,385.12
  4. Step 4: Simplify right side
    7,315.50x = 26,172,828.11
  5. Step 5: Solve for x
    x = 26,172,828.11/7,315.50
  6. Step 6: Final answer
    x = 3,577.72

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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.