Home / 7,024.81-10,530.70-2,645.17

Finding the Fourth Proportional to 7,024.81, 10,530.70 and 2,645.17

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Solution

The fourth proportional to 7,024.81, 10,530.70 and 2,645.17 is: 3,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.81 : 10,530.70 = 2,645.17 : x
  2. Step 2: Convert to fraction form
    7,024.81/10,530.70 = 2,645.17/x
  3. Step 3: Cross multiply
    7,024.81x = 10,530.70 × 2,645.17
  4. Step 4: Simplify right side
    7,024.81x = 27,855,491.72
  5. Step 5: Solve for x
    x = 27,855,491.72/7,024.81
  6. Step 6: Final answer
    x = 3,965.30

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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.