Home / 7,030.94-9,703.68-6,800.19

Finding the Fourth Proportional to 7,030.94, 9,703.68 and 6,800.19

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Solution

The fourth proportional to 7,030.94, 9,703.68 and 6,800.19 is: 9,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.94 : 9,703.68 = 6,800.19 : x
  2. Step 2: Convert to fraction form
    7,030.94/9,703.68 = 6,800.19/x
  3. Step 3: Cross multiply
    7,030.94x = 9,703.68 × 6,800.19
  4. Step 4: Simplify right side
    7,030.94x = 65,986,867.70
  5. Step 5: Solve for x
    x = 65,986,867.70/7,030.94
  6. Step 6: Final answer
    x = 9,385.22

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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.