Home / 7,468.24-10,306.40-4,111.20

Finding the Fourth Proportional to 7,468.24, 10,306.40 and 4,111.20

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Solution

The fourth proportional to 7,468.24, 10,306.40 and 4,111.20 is: 5,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.24 : 10,306.40 = 4,111.20 : x
  2. Step 2: Convert to fraction form
    7,468.24/10,306.40 = 4,111.20/x
  3. Step 3: Cross multiply
    7,468.24x = 10,306.40 × 4,111.20
  4. Step 4: Simplify right side
    7,468.24x = 42,371,671.68
  5. Step 5: Solve for x
    x = 42,371,671.68/7,468.24
  6. Step 6: Final answer
    x = 5,673.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.