Home / 7,417.43-10,247.18-4,871.23

Finding the Fourth Proportional to 7,417.43, 10,247.18 and 4,871.23

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Solution

The fourth proportional to 7,417.43, 10,247.18 and 4,871.23 is: 6,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.43 : 10,247.18 = 4,871.23 : x
  2. Step 2: Convert to fraction form
    7,417.43/10,247.18 = 4,871.23/x
  3. Step 3: Cross multiply
    7,417.43x = 10,247.18 × 4,871.23
  4. Step 4: Simplify right side
    7,417.43x = 49,916,351.73
  5. Step 5: Solve for x
    x = 49,916,351.73/7,417.43
  6. Step 6: Final answer
    x = 6,729.60

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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.