Home / 7,414.79-10,235.75-4,729.61

Finding the Fourth Proportional to 7,414.79, 10,235.75 and 4,729.61

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Solution

The fourth proportional to 7,414.79, 10,235.75 and 4,729.61 is: 6,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.79 : 10,235.75 = 4,729.61 : x
  2. Step 2: Convert to fraction form
    7,414.79/10,235.75 = 4,729.61/x
  3. Step 3: Cross multiply
    7,414.79x = 10,235.75 × 4,729.61
  4. Step 4: Simplify right side
    7,414.79x = 48,411,107.50
  5. Step 5: Solve for x
    x = 48,411,107.50/7,414.79
  6. Step 6: Final answer
    x = 6,529.00

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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.