Home / 7,313.40-10,091.52-4,328.04

Finding the Fourth Proportional to 7,313.40, 10,091.52 and 4,328.04

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Solution

The fourth proportional to 7,313.40, 10,091.52 and 4,328.04 is: 5,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.40 : 10,091.52 = 4,328.04 : x
  2. Step 2: Convert to fraction form
    7,313.40/10,091.52 = 4,328.04/x
  3. Step 3: Cross multiply
    7,313.40x = 10,091.52 × 4,328.04
  4. Step 4: Simplify right side
    7,313.40x = 43,676,502.22
  5. Step 5: Solve for x
    x = 43,676,502.22/7,313.40
  6. Step 6: Final answer
    x = 5,972.12

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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.