Home / 7,153.29-10,700.75-5,768.19

Finding the Fourth Proportional to 7,153.29, 10,700.75 and 5,768.19

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Solution

The fourth proportional to 7,153.29, 10,700.75 and 5,768.19 is: 8,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.29 : 10,700.75 = 5,768.19 : x
  2. Step 2: Convert to fraction form
    7,153.29/10,700.75 = 5,768.19/x
  3. Step 3: Cross multiply
    7,153.29x = 10,700.75 × 5,768.19
  4. Step 4: Simplify right side
    7,153.29x = 61,723,973.56
  5. Step 5: Solve for x
    x = 61,723,973.56/7,153.29
  6. Step 6: Final answer
    x = 8,628.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.