Home / 7,039.80-10,559.70-1,846.20

Finding the Fourth Proportional to 7,039.80, 10,559.70 and 1,846.20

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Solution

The fourth proportional to 7,039.80, 10,559.70 and 1,846.20 is: 2,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.80 : 10,559.70 = 1,846.20 : x
  2. Step 2: Convert to fraction form
    7,039.80/10,559.70 = 1,846.20/x
  3. Step 3: Cross multiply
    7,039.80x = 10,559.70 × 1,846.20
  4. Step 4: Simplify right side
    7,039.80x = 19,495,318.14
  5. Step 5: Solve for x
    x = 19,495,318.14/7,039.80
  6. Step 6: Final answer
    x = 2,769.30

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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.