Home / 9,374.72-12,935.58-5,395.64

Finding the Fourth Proportional to 9,374.72, 12,935.58 and 5,395.64

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Solution

The fourth proportional to 9,374.72, 12,935.58 and 5,395.64 is: 7,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.72 : 12,935.58 = 5,395.64 : x
  2. Step 2: Convert to fraction form
    9,374.72/12,935.58 = 5,395.64/x
  3. Step 3: Cross multiply
    9,374.72x = 12,935.58 × 5,395.64
  4. Step 4: Simplify right side
    9,374.72x = 69,795,732.87
  5. Step 5: Solve for x
    x = 69,795,732.87/9,374.72
  6. Step 6: Final answer
    x = 7,445.10

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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.