Home / 4,920.24-7,378.75-1,632.45

Finding the Fourth Proportional to 4,920.24, 7,378.75 and 1,632.45

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Solution

The fourth proportional to 4,920.24, 7,378.75 and 1,632.45 is: 2,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.24 : 7,378.75 = 1,632.45 : x
  2. Step 2: Convert to fraction form
    4,920.24/7,378.75 = 1,632.45/x
  3. Step 3: Cross multiply
    4,920.24x = 7,378.75 × 1,632.45
  4. Step 4: Simplify right side
    4,920.24x = 12,045,412.48
  5. Step 5: Solve for x
    x = 12,045,412.48/4,920.24
  6. Step 6: Final answer
    x = 2,448.14

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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.