Home / 7,108.29-9,811.13-4,313.25

Finding the Fourth Proportional to 7,108.29, 9,811.13 and 4,313.25

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Solution

The fourth proportional to 7,108.29, 9,811.13 and 4,313.25 is: 5,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.29 : 9,811.13 = 4,313.25 : x
  2. Step 2: Convert to fraction form
    7,108.29/9,811.13 = 4,313.25/x
  3. Step 3: Cross multiply
    7,108.29x = 9,811.13 × 4,313.25
  4. Step 4: Simplify right side
    7,108.29x = 42,317,834.91
  5. Step 5: Solve for x
    x = 42,317,834.91/7,108.29
  6. Step 6: Final answer
    x = 5,953.31

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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.