Home / 9,352.45-12,907.11-5,374.95

Finding the Fourth Proportional to 9,352.45, 12,907.11 and 5,374.95

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Solution

The fourth proportional to 9,352.45, 12,907.11 and 5,374.95 is: 7,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.45 : 12,907.11 = 5,374.95 : x
  2. Step 2: Convert to fraction form
    9,352.45/12,907.11 = 5,374.95/x
  3. Step 3: Cross multiply
    9,352.45x = 12,907.11 × 5,374.95
  4. Step 4: Simplify right side
    9,352.45x = 69,375,070.89
  5. Step 5: Solve for x
    x = 69,375,070.89/9,352.45
  6. Step 6: Final answer
    x = 7,417.85

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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.