Home / 6,930.65-9,557.81-5,519.00

Finding the Fourth Proportional to 6,930.65, 9,557.81 and 5,519.00

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Solution

The fourth proportional to 6,930.65, 9,557.81 and 5,519.00 is: 7,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.65 : 9,557.81 = 5,519.00 : x
  2. Step 2: Convert to fraction form
    6,930.65/9,557.81 = 5,519.00/x
  3. Step 3: Cross multiply
    6,930.65x = 9,557.81 × 5,519.00
  4. Step 4: Simplify right side
    6,930.65x = 52,749,478.01
  5. Step 5: Solve for x
    x = 52,749,478.01/6,930.65
  6. Step 6: Final answer
    x = 7,611.05

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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.