Home / 9,397.37-12,965.45-5,417.97

Finding the Fourth Proportional to 9,397.37, 12,965.45 and 5,417.97

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Solution

The fourth proportional to 9,397.37, 12,965.45 and 5,417.97 is: 7,475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.37 : 12,965.45 = 5,417.97 : x
  2. Step 2: Convert to fraction form
    9,397.37/12,965.45 = 5,417.97/x
  3. Step 3: Cross multiply
    9,397.37x = 12,965.45 × 5,417.97
  4. Step 4: Simplify right side
    9,397.37x = 70,246,392.05
  5. Step 5: Solve for x
    x = 70,246,392.05/9,397.37
  6. Step 6: Final answer
    x = 7,475.12

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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.