Home / 7,274.45-10,038.26-4,290.14

Finding the Fourth Proportional to 7,274.45, 10,038.26 and 4,290.14

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Solution

The fourth proportional to 7,274.45, 10,038.26 and 4,290.14 is: 5,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.45 : 10,038.26 = 4,290.14 : x
  2. Step 2: Convert to fraction form
    7,274.45/10,038.26 = 4,290.14/x
  3. Step 3: Cross multiply
    7,274.45x = 10,038.26 × 4,290.14
  4. Step 4: Simplify right side
    7,274.45x = 43,065,469.11
  5. Step 5: Solve for x
    x = 43,065,469.11/7,274.45
  6. Step 6: Final answer
    x = 5,920.10

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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.