Home / 9,313.58-12,852.87-5,121.92

Finding the Fourth Proportional to 9,313.58, 12,852.87 and 5,121.92

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Solution

The fourth proportional to 9,313.58, 12,852.87 and 5,121.92 is: 7,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.58 : 12,852.87 = 5,121.92 : x
  2. Step 2: Convert to fraction form
    9,313.58/12,852.87 = 5,121.92/x
  3. Step 3: Cross multiply
    9,313.58x = 12,852.87 × 5,121.92
  4. Step 4: Simplify right side
    9,313.58x = 65,831,371.91
  5. Step 5: Solve for x
    x = 65,831,371.91/9,313.58
  6. Step 6: Final answer
    x = 7,068.32

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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.