Home / 7,401.79-10,215.18-4,045.11

Finding the Fourth Proportional to 7,401.79, 10,215.18 and 4,045.11

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Solution

The fourth proportional to 7,401.79, 10,215.18 and 4,045.11 is: 5,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.79 : 10,215.18 = 4,045.11 : x
  2. Step 2: Convert to fraction form
    7,401.79/10,215.18 = 4,045.11/x
  3. Step 3: Cross multiply
    7,401.79x = 10,215.18 × 4,045.11
  4. Step 4: Simplify right side
    7,401.79x = 41,321,506.54
  5. Step 5: Solve for x
    x = 41,321,506.54/7,401.79
  6. Step 6: Final answer
    x = 5,582.64

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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.