Home / 6,865.77-10,300.23-1,935.30

Finding the Fourth Proportional to 6,865.77, 10,300.23 and 1,935.30

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Solution

The fourth proportional to 6,865.77, 10,300.23 and 1,935.30 is: 2,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.77 : 10,300.23 = 1,935.30 : x
  2. Step 2: Convert to fraction form
    6,865.77/10,300.23 = 1,935.30/x
  3. Step 3: Cross multiply
    6,865.77x = 10,300.23 × 1,935.30
  4. Step 4: Simplify right side
    6,865.77x = 19,934,035.12
  5. Step 5: Solve for x
    x = 19,934,035.12/6,865.77
  6. Step 6: Final answer
    x = 2,903.39

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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.