Home / 7,320.54-10,987.02-3,626.94

Finding the Fourth Proportional to 7,320.54, 10,987.02 and 3,626.94

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Solution

The fourth proportional to 7,320.54, 10,987.02 and 3,626.94 is: 5,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.54 : 10,987.02 = 3,626.94 : x
  2. Step 2: Convert to fraction form
    7,320.54/10,987.02 = 3,626.94/x
  3. Step 3: Cross multiply
    7,320.54x = 10,987.02 × 3,626.94
  4. Step 4: Simplify right side
    7,320.54x = 39,849,262.32
  5. Step 5: Solve for x
    x = 39,849,262.32/7,320.54
  6. Step 6: Final answer
    x = 5,443.49

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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.