Home / 9,337.87-12,886.32-5,146.12

Finding the Fourth Proportional to 9,337.87, 12,886.32 and 5,146.12

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Solution

The fourth proportional to 9,337.87, 12,886.32 and 5,146.12 is: 7,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.87 : 12,886.32 = 5,146.12 : x
  2. Step 2: Convert to fraction form
    9,337.87/12,886.32 = 5,146.12/x
  3. Step 3: Cross multiply
    9,337.87x = 12,886.32 × 5,146.12
  4. Step 4: Simplify right side
    9,337.87x = 66,314,549.08
  5. Step 5: Solve for x
    x = 66,314,549.08/9,337.87
  6. Step 6: Final answer
    x = 7,101.68

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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.