Home / 7,411.43-10,228.03-4,225.20

Finding the Fourth Proportional to 7,411.43, 10,228.03 and 4,225.20

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Solution

The fourth proportional to 7,411.43, 10,228.03 and 4,225.20 is: 5,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.43 : 10,228.03 = 4,225.20 : x
  2. Step 2: Convert to fraction form
    7,411.43/10,228.03 = 4,225.20/x
  3. Step 3: Cross multiply
    7,411.43x = 10,228.03 × 4,225.20
  4. Step 4: Simplify right side
    7,411.43x = 43,215,482.93
  5. Step 5: Solve for x
    x = 43,215,482.93/7,411.43
  6. Step 6: Final answer
    x = 5,830.92

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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.