Home / 7,545.55-11,313.78-3,384.81

Finding the Fourth Proportional to 7,545.55, 11,313.78 and 3,384.81

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Solution

The fourth proportional to 7,545.55, 11,313.78 and 3,384.81 is: 5,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.55 : 11,313.78 = 3,384.81 : x
  2. Step 2: Convert to fraction form
    7,545.55/11,313.78 = 3,384.81/x
  3. Step 3: Cross multiply
    7,545.55x = 11,313.78 × 3,384.81
  4. Step 4: Simplify right side
    7,545.55x = 38,294,995.68
  5. Step 5: Solve for x
    x = 38,294,995.68/7,545.55
  6. Step 6: Final answer
    x = 5,075.18

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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.