Home / 7,468.13-10,306.20-4,111.05

Finding the Fourth Proportional to 7,468.13, 10,306.20 and 4,111.05

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Solution

The fourth proportional to 7,468.13, 10,306.20 and 4,111.05 is: 5,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.13 : 10,306.20 = 4,111.05 : x
  2. Step 2: Convert to fraction form
    7,468.13/10,306.20 = 4,111.05/x
  3. Step 3: Cross multiply
    7,468.13x = 10,306.20 × 4,111.05
  4. Step 4: Simplify right side
    7,468.13x = 42,369,357.57
  5. Step 5: Solve for x
    x = 42,369,357.57/7,468.13
  6. Step 6: Final answer
    x = 5,673.35

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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.