Home / 9,116.87-12,581.26-4,925.12

Finding the Fourth Proportional to 9,116.87, 12,581.26 and 4,925.12

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Solution

The fourth proportional to 9,116.87, 12,581.26 and 4,925.12 is: 6,796.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.87 : 12,581.26 = 4,925.12 : x
  2. Step 2: Convert to fraction form
    9,116.87/12,581.26 = 4,925.12/x
  3. Step 3: Cross multiply
    9,116.87x = 12,581.26 × 4,925.12
  4. Step 4: Simplify right side
    9,116.87x = 61,964,140.03
  5. Step 5: Solve for x
    x = 61,964,140.03/9,116.87
  6. Step 6: Final answer
    x = 6,796.65

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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.