Home / 7,412.50-10,230.18-4,862.40

Finding the Fourth Proportional to 7,412.50, 10,230.18 and 4,862.40

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Solution

The fourth proportional to 7,412.50, 10,230.18 and 4,862.40 is: 6,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.50 : 10,230.18 = 4,862.40 : x
  2. Step 2: Convert to fraction form
    7,412.50/10,230.18 = 4,862.40/x
  3. Step 3: Cross multiply
    7,412.50x = 10,230.18 × 4,862.40
  4. Step 4: Simplify right side
    7,412.50x = 49,743,170.63
  5. Step 5: Solve for x
    x = 49,743,170.63/7,412.50
  6. Step 6: Final answer
    x = 6,710.71

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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.