Home / 7,080.41-9,768.53-4,390.66

Finding the Fourth Proportional to 7,080.41, 9,768.53 and 4,390.66

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Solution

The fourth proportional to 7,080.41, 9,768.53 and 4,390.66 is: 6,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.41 : 9,768.53 = 4,390.66 : x
  2. Step 2: Convert to fraction form
    7,080.41/9,768.53 = 4,390.66/x
  3. Step 3: Cross multiply
    7,080.41x = 9,768.53 × 4,390.66
  4. Step 4: Simplify right side
    7,080.41x = 42,890,280.49
  5. Step 5: Solve for x
    x = 42,890,280.49/7,080.41
  6. Step 6: Final answer
    x = 6,057.60

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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.