Home / 6,977.32-10,465.98-1,783.20

Finding the Fourth Proportional to 6,977.32, 10,465.98 and 1,783.20

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Solution

The fourth proportional to 6,977.32, 10,465.98 and 1,783.20 is: 2,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.32 : 10,465.98 = 1,783.20 : x
  2. Step 2: Convert to fraction form
    6,977.32/10,465.98 = 1,783.20/x
  3. Step 3: Cross multiply
    6,977.32x = 10,465.98 × 1,783.20
  4. Step 4: Simplify right side
    6,977.32x = 18,662,935.54
  5. Step 5: Solve for x
    x = 18,662,935.54/6,977.32
  6. Step 6: Final answer
    x = 2,674.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.