Home / 7,315.52-10,971.25-2,385.45

Finding the Fourth Proportional to 7,315.52, 10,971.25 and 2,385.45

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Solution

The fourth proportional to 7,315.52, 10,971.25 and 2,385.45 is: 3,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.52 : 10,971.25 = 2,385.45 : x
  2. Step 2: Convert to fraction form
    7,315.52/10,971.25 = 2,385.45/x
  3. Step 3: Cross multiply
    7,315.52x = 10,971.25 × 2,385.45
  4. Step 4: Simplify right side
    7,315.52x = 26,171,362.35
  5. Step 5: Solve for x
    x = 26,171,362.35/7,315.52
  6. Step 6: Final answer
    x = 3,577.51

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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.