Home / 7,740.60-10,682.46-4,382.16

Finding the Fourth Proportional to 7,740.60, 10,682.46 and 4,382.16

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Solution

The fourth proportional to 7,740.60, 10,682.46 and 4,382.16 is: 6,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.60 : 10,682.46 = 4,382.16 : x
  2. Step 2: Convert to fraction form
    7,740.60/10,682.46 = 4,382.16/x
  3. Step 3: Cross multiply
    7,740.60x = 10,682.46 × 4,382.16
  4. Step 4: Simplify right side
    7,740.60x = 46,812,248.91
  5. Step 5: Solve for x
    x = 46,812,248.91/7,740.60
  6. Step 6: Final answer
    x = 6,047.63

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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.