Home / 9,313.64-12,852.56-5,121.89

Finding the Fourth Proportional to 9,313.64, 12,852.56 and 5,121.89

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Solution

The fourth proportional to 9,313.64, 12,852.56 and 5,121.89 is: 7,068.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.64 : 12,852.56 = 5,121.89 : x
  2. Step 2: Convert to fraction form
    9,313.64/12,852.56 = 5,121.89/x
  3. Step 3: Cross multiply
    9,313.64x = 12,852.56 × 5,121.89
  4. Step 4: Simplify right side
    9,313.64x = 65,829,334.28
  5. Step 5: Solve for x
    x = 65,829,334.28/9,313.64
  6. Step 6: Final answer
    x = 7,068.06

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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.